Sorry for the late response; I just saw this. Very interesting.
What program was used?
I asked because based on the work we're doing on the Vahaduo site I don't think the "Illyrian" samples would plot there (i.e. so close to the Spanish samples), although I didn't do a PCA. The Iron Age "Thracian" was described in the original paper as "Tuscan" like. Actually, it looks more to me like Lazio or Campania, but the paper only used 1000 genomes, so obviously Tuscan was the closest they could come.
As for using this sample to judge the amount of "Slavic" ancestry in the Balkans, I don't think that's necessarily a good idea. By that I mean that this particular "Thracian" might not have been "typical", or at least not all Iron Age Thracians were like him. They might have been, or they might not have been. My recollection is that the Bronze Age samples from that region plot further "north". Did they just pass through, or did they stay and really influence the genetics of a lot of people. The only pretty accurate way to know how much influence the Slavic migrations had is, imo, to get more than one, and hopefully a scattered sample of people from the Balkans from the Imperial Era and then compare them to modern people. I don't think it can be some huge amount of Slavi given how much Neolithic and CHG/Iranian like or what used to be called "West Asian" there still is in the Balkans, but time will tell.
Distance to: | IllyrianDalmatian_I3313 |
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3.56275646 | Italy_Lombardy |
4.78770749 | Italy_Emilia |
4.93995082 | Italy_Liguria |
5.14574766 | Italy_Veneto |
5.39127537 | Italy_Piedmont |
6.07536254 | Italy_Tuscany |
6.54086099 | Swiss_Italian |
7.53474883 | Italy_Trentino |
8.14842046 | France_Corsica |
8.45013349 | Italy_FriuliVG |
8.57974941 | Italy_Romagna |
9.78872702 | Italy_Aosta_Valley |
11.74627933 | Italy_Marche |
12.03777155 | Italy_Lazio |
12.29336406 | Albanian_North |
12.42080915 | Albanian_Kosovo |
14.46197428 | Baleares |
16.46757724 | Galicia |
17.19215810 | Extremadura |
17.51714611 | Italy_Abruzzo |
18.13725448 | Portuguese |
18.50866554 | Murcia |
18.86604092 | Andalucia |
19.05735291 | Greek |
19.22266111 | Castilla_Y_Leon |