You might want to check FTDNA's Scotland Y-DNA Project. It is so far the largest and most detailed database for Scottish Y-DNA.
There are 205 R1b-L21 (38%), which is the most common kind of R1b in Britain. It is found all along the Atlantic coast from Iberia to Norway, as well as in Germany. It could be just as well Celtic or Germanic. In the Netherlands and Scandinavia, L21 is found is approximately the same proportions as U106. So it is fair to assess that 12.5% of Scottish L21 is Germanic and 25.5% is Celtic.
sorry, Maciamo: maybe this post of yours is old now and I'm late, but where did you pick that R-L21 was found in the same proportions in the Netherlands and Scandinavia than R-U106!?!
Western Scotland was invaded by the Gaels in the Vth century. A people from Ireland who spoke a Q-Celtic language (Gaelic) while the previous people of Scotland (the Picts) spoke a P-Celtic language like others Brittons and like some continental celts (Gaulish, lepontic...).
Most Scottish men carry the haplogroup R1b (Proto-celt), especially its subclade R1b L21 (like most Irish men)
Eastern Scotland, the area that was the least settled by the Gaels, shows the highest frequencies in GB of R1b U152 (Alpine and gallic celts) and has significant rates of R1b U106 (Germanic). It is not easy to know wether those two subclades of R1b predate or not the Germanic invasions (Angles...).
Indeed, Scotland got several genetic influx since the early middle ages, bringing germanic haplogroup such as I1, I2a2 (old I2b), R1a (not just germanic but present in Scandinavia) and R1b U106.
During the germanic invasions, the Angles settled in Southern Scotland, that's why Scottish language is very close to the English one.
Later the Vikings from Norway settled in the North, South west and in the islands (Shetlands, Orkney).
So Scotland is mostly celtic but with strong germanic areas (Lowlands, North, Orkney, Shetlands).
Most frequently I1 indicates Viking presence. What does what I said even mean? R-S21 is part of the indo-European family (R1a,R1b) inside the indo-European family there is a group called Celtic, and inside the Celtic group there are Italo-celts and Germanics. R-S21 is found in Germanic countries (Germany,Austria,Denmark,England) where these people migrated.
Does anyone what the percentage is of i1 and r1bu106 in eastern part of England??
you are right - just details: SW Scotland previously inhabited was gaelicized enough and gaelic was yet spoken in some part of Galloway about the 18°C and even 19°C.. if my readings are right - before the population spoke cumbrian, close to welsh as you know -
Angles took the SE Scotland - today Lowlands/Lallands are inhabited (except the Lothians around Edinburgh, more akin to the central and eastern "angle" Borders) by a mix where Celts and pre-Celts have far more important imput than Germanics as a whole: very close to the Black Country West to Midlands of Birmignham, where Celts too played a big role in population (Welshes, ancient and new coming back!)- it is true too that English "emigrants" come rather to Edinburgh when Irish workers came rather around Glasgow, reinforcing effects of the Past -
I think U106 is around 25% or so, and I1 is about 15-20% on average, with some local spikes ( for example around 25-30% in Fakenham - 33% of I in total, but the majority of that is likely I1).
is this for England as a whole or for the east of England?
It looks like R1b-L21 is around 20-25% along many parts of the Welsh borders, only about 10% higher than it is in the rest of central and south-east, eastern England, the English-Welsh border regions would seem to be quite a substantial barrier, even though they have changed a lot over the centuries:
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your absolutely right here - but for Lowlands and Black Country I was just speaking about populations weights in general: autosomals - yet there are big enough differences between West England and East England for males genes, but too, seemingly, East England received more germanic females imput than West England where the germanic imput seems more males transmitted - it is to be checked, it 's true! in Llanidloes central eastern Wales we have apparently a good example of male Angle or Saxon strong imput far in West, when the global autosomals situation surely does not show so high levels of germanic autosomals (is it an hazard if, even in a very local countryside welsh language had been left when welsh was still spoken not long ago in Oswestry?
by the way, should you be kind enough to communicate us the percentages this map is founded upon? (absolute or relative %s and so on...)
thanks beforehand
&: and a smaller taste of L21 can conceal a stronger proportion of Y-R1b of other sorts without being itself of "germanic" origin as U106...
what is 15%?togethers they equal 35% in England not counting any thing else.The east, but it's not much lower in other areas, the average for the country is around 15%, so many western areas are probably 10-15% I1 and about 15-20% R1b-U106.
Anything R1b is Celtic; R1b-U106 is the Germanic branch of R1b.