A 3,800-year-old family tree reveals patrilineal society and female migration.
Researchers sequenced genomes from 32 people buried in a Bronze Age kurgan in the Southern Urals. They reconstructed a three-generation family tree centered on six brothers. The eldest brother had eight children with two women, while others were monogamous. Surprisingly, no related girls over five were found, and adult females were more genetically diverse than males. This suggests women moved into the community from elsewhere, while men stayed and were buried together.
The site yielded four ancient samples with Y-chromosome data: three resolved to Q-FT72566 (2 samples) and R-Y3 (1 sample). Mitochondrial DNA included U1b2 (2 samples), U5a1g1, and U5b1b. These lineages are typical of Bronze Age steppe populations. The limited sample size means the genetic diversity seen here is just a snapshot, but it aligns with the paper's finding of patrilocal residence and female migration.
For ancestry enthusiasts, this study shows how ancient DNA can reveal family structures and marriage rules. It confirms that patrilineality and female exogamy were practiced in Srubnaya-Alakul communities, helping you interpret your own Y-DNA and mtDNA connections in a broader cultural context.