https://uralic.eu/2019/03/aquitanians-and-iberians-of-haplogroup-r1b-are-exactly-like-indo-iranians-and-balto-slavs-of-haplogroup-r1a/
Aquitanians and Iberians of haplogroup R1b are exactly like Indo-Iranians and Balto-Slavs of...
Apr 14, 2020 - Y-DNA bottlenecks under R1a subclades among Indo-Iranians (and later among Balto-Slavs) are akin to the R1b seen among Iberians and Basques.
aquitaniansiberianshaplogroupexactlylike