Nanging, panuntunan saking haplogroup Y-DNA manggihang  ring keturunan  anak lanang langsung dane, akehan Basque anyar madue leluhur sane pateh sareng krama Eropa Barat, inggih punika akehan sane kapanggih saking Haplogroup Indo-Eropa R1b-DF27 (70%).
However, studies of the Y-DNA haplogroups found that on their direct male lineages, the vast majority of modern Basques have a common ancestry with other Western Europeans, namely a marked predominance of Indo-European Haplogroup R1b-DF27 (70%).