Y-DNA Haplotree — Haplogroup R

Browse haplogroup R of the Y-chromosome tree — the largest section of the tree, home to R-M269 (R1b), Western Europe's dominant paternal lineage, and R-M417 (R1a), Eastern Europe's — both spread by the Bronze Age steppe expansions, with R-Z93 carrying R1a on into South Asia. Every named sub-branch with its defining SNPs, tester counts and countries. Free, no account needed.