Haplogroup I1 is the most common I subclade in northern Europe. It is found mostly in Scandinavia and Finland, where it typically represent over 35% of the male Y-chromosomes.
Associated with the Norse ethnicity, I1 is found in all places invaded by ancient Germanic tribes and the Vikings. Other parts of Europe speaking Germanic languages come next in frequency. Germany, Austria, the Low Countries, England and the Scottish Lowlands all have between 10% and 20% of I1 lineages.
Distribution of haplogroup I1 in Europe
Origins & History
Haplogroup I is the oldest major haplogroup in Europe and in all probability the only one that originated there (apart from very minor haplogroups like C6 and deep subclades of other haplogroups). It is thought to have arrived from the Middle East as haplogroup IJ sometime between 45,000 and 50,000 years ago, and developed into haplogroup I approximately 40,000 years ago. It has now been confirmed by ancient DNA test that Cro-Magnons, the first Homo sapiens to colonize Europe 45,000 years ago, belonged to haplogroups BT, CT, C, F, IJ and I.
The I1 branch is estimated to have split away from the rest of haplogroup I some 27,000 years ago. I1 is defined by over 300 unique mutations, which indicates that this lineage experienced a serious population bottleneck. Most of the Late Glacial and Mesolithic remains tested to date belonged to haplogroup I* or I2. It is not yet clear in which part of Europe I1 originated. It has been speculated that I1 evolved in isolation in Scandinavia during the late Upper Paleolithic and Mesolithic periods, when hunter-gatherers from southern Europe recolonised the northern half of the continent from their LGM refugia. The oldest attested evidence of postglacial resettlement of Scandinavia dates from 11,000 BCE with the appearance of the Ahrensburg culture. However, five Y-DNA samples from Mesolithic Sweden, dating from c. 5800 to 5000 BCE and tested by Lazaridis et al. 2013 and Haak et al. 2015 all turned out to belong to haplogroup I2.
The earliest sign of haplogroup I1 emerged from the testing of Early Neolithic Y-DNA from western Hungary (Szécsényi-Nagy et al. 2014). A single I1 sample was identified alongside a G2a2b sample, both from the early Linear Pottery (LBK) culture, which would later diffuse the new agricultural lifestyle to most of Poland, Germany and the Low Countries. This means that haplogroup I1 was present in central Europe at the time of the Neolithic expansion.
It is therefore possible that I1 lineages were among the Mesolithic European hunter-gatherers assimilated by the wave of East Mediterranean Neolithic farmers (represented chiefly by Y-haplogroup G2a). There is also evidence from the Neolithic samples of the Early Neolithic Starčevo and Cardium Pottery cultures that haplogroup I2a lived alongside G2a farmers both in south-east and south-west Europe.
The most likely hypothesis at present is that I1 and I2 lineages were dispersed around Europe during the Mesolithic, and that some branches prospered more than others thanks to an early adoption of agriculture upon contact with the Near Eastern farmers who were slowly making their way across the Balkans and the Mediterranean shores. The small group of farmers from the early LBK culture from Hungary might have formed a blend of I1 and G2a men. Yet distinct families would have spread in different directions and met varying successes in their expansion. It would appear that a founder effect in the northern LBK population led to a sudden explosion of I1 lineages, perhaps in part thanks to their better knowledge of the Central European terrain and fauna (since hunting was typically practised side by side to agriculture to complement the farmers' diet). I1 would later have spread to Scandinavia from northern Germany.
Extent of the Linear Pottery culture (LBK, c. 5600-4250 BCE)
This data is consistent with a Neolithic dispersal of I1 from Hungary with the LBK culture and the subsequent Funnelbeaker culture (4000-2700 BCE) in northern Germany and southern Scandinavia. One Swedish sample from the late Mesolithic Pitted Ware culture (3200-2300 BCE) also turned out to belong to I2a1 and not I1.
Extent of the Funnelbeaker culture (c. 4200-2650 BCE)
Both the Funnelbeaker and Pitted Ware cultures represent a merger between the Neolithic (farming) and Mesolithic (hunter-gatherer) lifestyles. Neolithic farmers from Germany penetrated late into Scandinavia and in small numbers. There is archeological evidence that Neolithic farmers settled in southern Scandinavia and lived side by side with hunter-gatherers for several centuries during the Funnelbeaker culture. Skoglund et al. 2012 tested and compared the DNA of one Neolithic farmer and three hunter-gatherers from Sweden dating from 5,000 years ago. It turned out that the farmer was much closer genetically to modern Mediterranean people, especially the Sardinians, who are generally considered the best proxy population to Neolithic European farmers. The hunter-gatherers's DNA resembled that of modern Northeast Europeans, and perhaps even more that of the Finns and Samis than Scandinavians.
Scandinavian hunter-gatherers would have adopted the new Neolithic lifestyle little by little, using pottery and keeping domesticated animals (sheep, cattle, pigs and goats) to complement their traditional diet of fishing and game hunting. The cultivation of wheat, barley and legumes was fairly limited due to the cold climate. The cold climate was actually a barrier to the expansion of farmers from the continent. This is why Scandinavians retained a greater percentage of Mesolithic ancestry than virtually all other Europeans, apart from the Samis, Finns, Balts and Russians.
No ancient Y-DNA from the Funnelbeaker culture in Scandinavia has been tested to date, but it is likely that I1 really started gathering momentum toward the end of the Funnelbeaker period. It might also have been among the Funnelbeaker lineages that were most successfully assimilated by Proto-Indo-European invaders during the Corded Ware culture (aka Battle-Axe culture in Scandinavia). Most I1 individuals today share a common ancestor around the time of the transition between the Funnelbeaker and Corded Ware periods
How did I1 spread around northern Europe ?
So how comes that modern Scandinavians belong essentially to three haplogroups (I1, R1a and R1b) that haven't been found in Mesolithic Scandinavian samples? I1 would have been the first to penetrated into Scandinavia during the farming transition that lasted roughly from 4,200 to 2,300 BCE. It could be that the replacement of Mesolithic paternal lineages (I* and I2) throughout Nordic countries, including Lapland and Finland, started with a few farmers and stock breeders that spread around Scandinavia and through a founder effect belonged almost exclusively to I1. The alternate hypothesis is that I1 spread together with R1a-Z284 from Denmark to Sweden and Norway during the Chalcolithic and Early Bronze Age with the Battle-Axe culture. So far the earliest evidence of I1 in Scandinavia dates from the Nordic Bronze Age, with a single sample from Sweden dating from circa 1400 BCE Allentoft et al. (2015).
In the vast majority of farming societies men are the ones who inherit the land and the livestock. As wild game became scarcier, especially during cold winters, farmers would have had a definite advantage for food and survival prospects. As surely happened in other parts of Europe, women from hunter-gathering families were married to wealthy farmers. After several millennia, with agricultural land and livestock always inherited by I1 lineages from father to son, I1 became the dominant lineage, even though their maternal lines had become hybridized over time. Nowadays, according to the autosomal admixture tested performed by Lazaridis et al. (2014), Scandinavians have only a few percents more Mesolithic than Neolithic admixture.
The Saami of Lapland were the last hunter-gatherers of Europe. But even they turned to stock breeding by domesticating the indigenous reindeer, better suited to the harsh local climate than cattle, pigs, sheep and goats. Reindeer domestication appears to have originated with North Asian N1c1 tribes. And indeed modern Saami are primarily N1c1 people with only a minority of Scandinavian paternal lineages (I1, R1b, R1a). The presence of R1a and R1b, and its very modern proportion to I1 (using central Sweden as a reference) indicates that I1, R1a and R1b incorporated the Saami gene pool together relatively recently (probably in historical times, from or after the Viking age).
N1c1 lineages, however, may have not have arrived that early either. N1c1 is associated with the diffusion of the Uralic languages, which are thought to have spread to the eastern Baltic with the Comb Ceramic culture from 4200 BCE, around the same time as the Funnelbeaker culture. According to a phylogenetic reconstruction of the Uralic languages by Honkola et al. (2013), the Proto-Finnic and Proto-Samic split from each others only 2,500 years ago, and Samic dialects started diversifing less than 1,000 years ago. In all likelihood all trace of the Mesolithic inhabitants of Lapland has been wiped out on the Y-chromosomal side, just as in most of Scandinavia. Before the arrival of N1c1 in Fennoscandia, the Nordic ancestors of the Saami would have belonged to Y-haplogroups I* and I2, and to mt-haplogroups U5b and V.
How did I1 become Germanic ?
From 2800 BCE, a large-scale cultural and genetic upheaval hit Scandinavia with the arrival of the Indo-Europeans from Eastern Europe, who introduced the Copper Age and Early Bronze Age practically without Neolithic transition. The first Indo-Europeans to reach Scandinavia were the Corded Ware people from modern Russia, Belarus and Poland, who are thought to have belonged predominantly to haplogroup R1a. These people shared some similar maternal lineages as Scandinavian I1 inhabitants, including mtDNA haplogroups U2e, U4 and U5, but also brought many new lineages such as H2a1, H6, W and various subclades of I, J, K and T.
The second major Indo-European migration to Scandinavia was that of haplogroup R1b, the branch that is thought to have introduced Proto-Germanic languages, as an offshoot of the Proto-Celto-Germanic speakers from Central Europe. R1b probably entered Scandinavia from present-day Germany as a northward expansion of the late Unetice culture (2300-1600 BCE). The oldest known R1b sample in Scandinvia dates from the Nordic Bronze Age circa 1400 BCE (see Allentoft 2015 above).
According to the Germanic substrate hypothesis, first proposed by Sigmund Feist in 1932, Proto-Germanic was a hybrid language mixing Indo-European (R1b, and to a lower extent R1a) and pre-Indo-European (Mesolithic I2 and Neolithic G2a and I1) elements. This hybridisation would have taken place during the Bronze Age and given birth to the first Proto-Germanic civilization, the Nordic Bronze Age (1700-500 BCE).
I1 in Lapland and Finland
Finland is not a Germanic country linguistically despite having been part of the Kingdom of Sweden for most of its recorded history until the 19th century. The same is true of the Sami, who retained their linguistic and cultural identity after centuries of officially belonging to Sweden or Norway. Over 60% of Finns and 50% of the Sami belong to the Uralic haplogroup N1c1, which is concordant with the fact that their languages (Suomi and Saami) also belongs to the Uralic linguistic family. One might therefore wonder whether the 25 to 30% of I1 lineages among the Finns and Sami came from their Scandinavian neighbours (notably Sweden) sometime between the Bronze Age and the Middle Ages, or on the contrary whether I1 spread throughout Fennoscandia during the Late Mesolithic/Neolithic period.
Of the 28% of I1 in Finland, 65% belong to the exclusively Finnish L287 (downstream of L22) and particularly its L258 subclade. A few percents more belong to other subclades that are also specifically Finnish (e.g. L300), or Sami (L1302). The rest (5-10%) generally resemble more closely Swedish I1. The Swedish-like subclades are unsurprisingly found primarily on the west and south-west coast of Finland, where Swedes have settled in historical times and where Swedish is still spoken. This is also where most of the R1b (3.5%) and Scandinavian R1a-Z282 (3%) is to be found. The Scandinavian I1 in Finland is found at a similar proportion to R1b and R1a as in Sweden. In contrast, Finnish I1 is found in all the country, where hardly any Germanic Y-DNA is present strongly hints that the I1 in Finland is pre-Germanic origin.
Most of the Sami do not belong to the I1-L22 branch, but to the L1302 or S1990 (downstream of L338) subclades of I1-Z60, a branch more generally associated with West Germanic tribes. Therefore, the haplogroup I1 found in the Sami and Suomi populations do not share the same source. Each represent independent migrations from southern Scandinavia. The more recent age of I1 subclades found among the Sami, combined with the higher percentages of R1a (13%) and R1b (7%) and the presence of E-V13 and J2 suggests that some, if not all of the Sami I1 resulted from an introgression in Germanic times, probably through centuries of occasional intermarriages. Nowadays, approximately half of all paternal Saami lineages are of Scandinavian origin.
Finland is the only country with more than 15% of I1 where the Germanic culture and language didn't take root. A good reason for this would indeed be if Germanic culture did not yet exist in Scandinavia at the time when I1 reached Finland. Germanic culture is supposed to have been progressively formed during the Nordic Bronze Age, maturing by the start of the Iron Age around 500 BCE. If only a small group of I1 men spread their Y-chromosomal lineages among the last Fennoscandians, with little or no maternal contribution from the Battle-Axe culture, then their language would most probably have been lost too, as a small number of I1 men joined the northern tribes and adopted their language.
A look at the phylogenetic tree shows that the Finns, Swedes and Norwegians belong primarily to the northern cluster (L22), which is just over 4,000 years old. Out of five subclades, two (L287 and L300) are almost exclusively Finnish, while the others are Scandinavian. According to the Y-chromosomal phylogeny at Yfull.com the L287 and L300 subclades are approximately 3,000 years old. The dates might be older as the number of mutations fails to take into account historical population sizes. Larger populations create more genetic variations. Nordic countries have always had a lower population density than central or southern Europe. Before the Bronze Age, Nordic people were still essentially hunter-gatherers, while the rest of Europe had been farming for up to 3500 years. Agricultural societies could support populations ten times higher than hunter-gatherers in similar climates. In cold Fennoscandia, the pre-Indo-European population density must have been at least 20 times lower than in Mediterranean Europe. This would mean that the mutation rate would also be 20 times lower, and therefore that haplogroup I1 and its subclades could be much older than SNPs and STR variations suggest.
If the current age estimates are correct, it would mean that L22 was formed during the Battle-Axe period, while its Finnish subclades would have appeared at the beginning of the Nordic Bronze Age. If the age of the I1 subclades were underestimated, L22 could have arisen during the Funnelbeaker period and spread before the arrival of R1a and R1b in Scandinavia. Whatever the time frame, one possible scenario is that some I1-L22 tribes from southern Scandinavia migrated north, either on their own or pushed by Indo-European invaders. They would have been forced to drop farming by the colder climate in northern Scandinavia, and would have reverted to a hunter-gatherer lifestyle, perhaps with a bit of stockbreeding, just like modern Sami. It's hard to tell whether I1 or N1c arrived first in Lapland and Finland. Both could have arrived approximately 2,500 to 2,000 years ago, I1 getting first to northern Sweden and Norway, then moving into Finland, while N1c would have followed the opposite path, the two groups eventually converging and intermingling to form the ancestors of the Finns.
It is possible that various small groups of I1 men joined the remnants of Mesolithic Fennoscandians in northern Scandinavia and modern Finland, and perhaps thanks to superior technology asserted their dominance and became tribal chietfains, quickly spreading their Y-DNA and replacing Mesolithic I2 lineages by I1. That would explain why both the Finns and the Sami have very different maternal lineages from modern Scandinavians, which resemble more those of Mesolithic Scandinavians.
The Germanic migrations dispersed I1 lineages to Britain (Anglo-Saxons), Belgium (Franks, Saxons), France (Franks, Visigoths and Burgundians), South Germany (Franks, Alamanni, Suebi, Marcomanni, Thuringii and others), Switzerland (Alamanni, Suebi, Burgundians), Iberia (Visigoths, Suebi and Vandals), Italy (Goths, Vandals, Lombards), Austria and Slovenia (Ostrogoths, Lombards, Bavarians), Ukraine and Moldova (Goths), as well as around Hungary and northern Serbia (Gepids). The I1 found among the Poles (6%), Czechs (11%), Slovaks (6%) and Hungarians (8%) is also the result of centuries of influence from their German and Austrian neighbours. The relativelemy high frequency of I1 around Serbia and western Bulgaria (5% to 10%) could be owed to the Goths who settled in the Eastern Roman Empire in the 3rd and 4th centuries.
The Danish and Norwegian Vikings brought more I1 to Britain, Ireland, the Isle of Man, Normandy, Flanders, Iberia, Sicily... The Swedish Vikings (Varangians) set up colonies in Russia and Ukraine, and outposts as far as the Byzantine Empire, the Caucasus and Persia. The higher frequency of I1 in Northwest Russia (east of the Baltic) hints at had a particularly strong Varangian presence, which is concordant with the establishment of the Kievan Rus' by the Swedes.
Subclades and Haplotypes
Grouping by STR
All Germanic tribes expanded from a small geographic core around Denmark and southern Sweden within the last 2500 years. STR (short tandem repeats) variations allows to divide I1 members in various categories. There are two main clusters, each with their own subgroups.
- the Northern cluster, peaking in Norway, Sweden and Finland, which corresponds to the I1a2 (L22+, formerly known as I1d) subclade. It normally has an STR value greater than 22 for DYS390.
- the Norse group, corresponds to Ken Nordtvedt's Norse (mostly Swedish) and Ultra-Norse (mostly Norwegian and Icelandic) haplotypes. The Ultra-Norse haplotype 1 (I1-uN1) difers from the Norse one by having DYS385b=15 and (usually) DYS449=29.
- the Bothnian group, is found mostly in Finland and northeast Sweden. It corresponds to I1a2c1 (L287>L258+) subclade, which it makes up 75% of the I1 lineages in Finland.
- the Southern cluster, most common in Denmark, Germany, the Low Countries and the British Isles. It corresponds to Ken Nordtvedt's Anglo-Saxon haplotype (originally Danish and North German).
- the Danish/Polish group usually has a DYS557 value greater than 15.
- the Western group, comprising the Low countries, England, Scotland and Ireland, matches the Z58+ subclade. It probably matches Anglo-Saxon and Frisian/Batavian ancestry.
- there appears to be a specific Welsh subgroup defined by a GATA-H4 value superior or equal to 11. This subgroup is also found in England and on the continent, but is especially common in Wales.
- the German group, is the most common type of I1 in Germany, France, Italy and Central Europe, but is also found in the British Isles and to a lower extent in Scandinavia. It is defined by a DYS456 value inferior to 15. It corresponds to the Z63+ subclade.
- Z131+ is a minor subclade that has been found in areas bordering the ancient Celtic-Germanic boundary (Belgium, central Germany, Bohemia), but also in Sweden and Britain.
- Z17925+ is a minor subclade found in Germany, France and England.
- Z19086+ is a minor subclade found in Finland.
- DF29+ represents 99% of I1 lineages.
- CTS6364+ is a major subclade centered mostly on Scandinavia, Germany and northern Poland.
- M227+ is been found in Scandinavia, Baltic countries, Belarus, Russia, Poland, Switzerland, France and south-west England (Devon). It could have been spread by Varangian Vikings.
- L22+ (aka S142+) is the main Nordic subclade. It is also very common in Britain, especially on the east coast where the Vikings settled most heavily, in the Low Countries and Normandy (also doubtlessly the heritage of the Danish Viking), as well as in Poland and Russia (Swedish Vikings).
- P109+ A mostly southern Scandinavian subclade, with a presence in all the regions settled by the Danish Vikings. It has been found sporadically in many parts of Europe, such as western Iberia, northern Italy, the Balkans, Lithuania and Russia.
- L205+ is mostly limited to the Low Countries, France and Britain. Isolated cases were also identified in Sweden and Spain.
- L287+ is an overwhelmingly Finnish subclade (found nation-wide), with a very small presence in Norway, Sweden, Poland and Russia.
- L300+ is a minor subclade found almost exclusively in southern Finland.
- L813+ is a predominantly Scandinavian subclade, particularly common in southern Norway, but also found in Sweden, and to a lower extent western Finland. It is also found in Britain (likely of Viking descent) and in the northern Netherlands (but not in Germany).
- Z58+ is chiefly West Germanic, with a very strong presence in Germany, the Low Countries and Britain. It is also found to a lower extent in Nordic countries and throughout Continental Europe. Its age has been estimated around 4000 years before present.
- Z138+ (aka Z139+) is a very disparate subclade. It is found at very low frequency throughout the Germanic world, with a peak in England and Wales (although it could just be because of oversampling in Britain). It has also been found in Portugal, southern Italy and Romania. Z138+ corresponds to AS2, AS10, AS1010.2, AS10910, AS1221 and AS1414 and Esc-13 in FTDNA's STR-based nomenclature.
- Z59+ is the main branch of Z58.
- Z382+ has been found especially in the British Isles and Germany, with a minor presence in Scandinavia. Isolated samples were also identified in the Netherlands, Finland, Italy, Croatia and Romania. corresponds to AS3, AS3-911, AS13 and Sw in FTDNA's STR-based nomenclature.
- S16414+ has been found in Norway and in Sardinia (YP5417+, TMRCA 1750 ybp), where it could have been brought by the Vandals.
- Z60+ is found throughout the Germanic world
- Z140+ is a strongly West Germanic subclade, found essentially in the British Isles the Low Countries, northern France, central and southern Germany, and Switzerland. It is very rare in Nordic countries. Isolated samples were found in Spain, central and southern Italy, Slovenia, Bohemia, Poland, Ukraine and Russia. Z140* matches the AS5, AS6, AS814 and EE haplotypes in FTDNA's STR-based nomenclature.
- L338+ has a similar distribution to Z140. It typically has the STR value GATA-H4=9. L338+ corresponds to AS1, AS1H, AS8, AS114 and AS11616 in FTDNA's STR-based nomenclature.
- Z73+ (and L1301+) is chiefly northern Scandinavian and Finnish. It is also found in Russia, on the east coast of Britain and the Scottish Isles (Viking heritage). Z73+ corresponds to AS9 and AS16 in FTDNA's STR-based nomenclature.
- L1302+ is found chiefly in Sweden, with a few subclades in Finland and Norway (BY495), and a few isolated samples indentified in Scotland and Russia.
- L573+ appears to be mainly a Northeast German subclade, but it has also been found in France, Sweden, Poland, Lithuania and northwest Russia.
- L1248+ is a minor subclade that has been found in Sweden, Britain, Germany and Russia.
- L803+ has only been identified in Scotland.
- Z63+ is a strongly German subclade, virtually absent from Nordic countries. It is most common in Central Germany, the Benelux, England, Lowland Scotland, as well as Poland. It has also been found in Russia, Ukraine, the Balkans, Italy, Spain and Portugal.
- Y2245.2+ makes up a big part of the Z63 in Russia, Ukraine, Poland, the Balkans, Italy and Iberia. It could have been spread by the Goths.
- BY351+ is a subclade found in Portugal, Spain, Italy (including Sardinia). It was probably spread by the Visigoths and Ostrogoths.
Malmströma et al. tested the DNA of Birger Jarl and his son Eric Birgersson, and they were identified as members of haplogroup I1. Birger Jarl was one of Sweden's greatest medieval statesman. He was the founder of Stockholm, and acted as regent of Sweden for 18 years. His sons Valdemar and Magnus suceeded each others as kings of Sweden, and their descendants for one hundred years. This dynasty is known as the House of Bjelbo, and all six kings were presumably members of haplogroup I1.
Based on the numerous results from the Gentis Grimaldorum DNA Project, the original House of Grimaldi, which inlcuded the Lords then Princes of Monaco until Louis II of Monaco (1870-1949), belonged to a Scandinavian branch of haplogroup I1a1 (L22>Y3549>P109>Y3662>S14887). The House of Grimaldi also produced three doges of Genoa, a prince of Salerno, and several archbishops and cardinals. The current Princes of Monaco descend from the House of Polignac.
The Hamilton DNA Project compared the Y-DNA of four descendants of Alexander Hamilton, one of the a Founding Fathers of the United States of America. All shared very close STR values, proving beyond reasonable doubt that they shared a same recent patrilineal ancestor.
Andrew Jackson (1767-1845), the 7th president of the United States, most probably belonged to haplogroup I1 based on a comparison of his genealogy and results from the Jackson DNA Project.
The haplogroup of the celebrated Russian writer Count Lev Nikolayevich Tolstoy, usually known as Leo Tolstoy (1828-1910), was inferred by testing one of his descendants, Pyotr Tolstoy. He is regarded as one of the greatest authors of all time, and is best known for the novels War and Peace (1869) and Anna Karenina (1877), often cited as pinnacles of realist fiction.
Calvin Coolidge (1872-1933), the 30th President and 29th Vice President of the United States, was identified as a member of haplogroup I1 according to testing of relatives.
The personal genomics company 23andMe tested the Y-chromosomal haplogroup of business magnate and multi-billionaire Warren Buffett and singer/film producer Jimmy Buffett to determine whether they shared a common patrilineal ancestor. Both men were found to belong to haplogroup I1, though apparently not to closely related subclades.
The English musician, singer-songwriter, and actor Gordon Matthew Thomas Sumner, known professionally by his stage name Sting (b. 1951), was revealed to belong to haplogroup I1 by the PBS TV series Finding Your Roots. He was the principal songwriter, lead singer, and bassist for the new wave rock band The Police from 1977 to 1984, before launching a solo career. With The Police, Sting became one of the world's best-selling music artists. Solo and with The Police combined, he has sold over 100 million records.
Other famous members of haplogroup I1
- Kenneth Leon Nordtvedt (born 1939) : professor emeritus in the Physics Department at Montana State University and a senior researcher specializing in relativistic theories of gravity. He is a well known researcher in the genetic genealogy community.
- Bill Griffeth (born 1947) : an American financial journalist from CNBC, the cable network he has been with since 1991.
- Djavan (born 1949) : a Brazilian singer/songwriter. Djavan combines traditional Brazilian rhythms with popular music drawn from the Americas, Europe and Africa.
- Björn Wahlroos (born 1952) : is a Finnish millionaire known for his controversial ideas. He is the Chairman of the Board in Sampo Group, Nordea and UPM-Kymmene.
- Sergei Lukyanenko (born 1968) : is one of the most popular contemporary Russian sci-fi writers.
- Nasir bin Olu Dara Jones, known by his stage name Nas (born 1973) : an American hip hop recording artist, record producer, actor and entrepreneur. His haplogroup was revealed by the PBS TV series Finding Your Roots. He is the son of cornetist, guitarist and singer Olu Dara.
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