It's common in tribal societies, where powerful men had lot of offspring and eventually most of men descend from relatively few founders.
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Gedrosia 3.49 Pct
Siberian 1.51 Pct
Northwest_African 0.87 Pct
Southeast_Asian -
Atlantic_Med 26.69 Pct
North_European 42.01 Pct
South_Asian 0.19 Pct
East_African -
Southwest_Asian 3.37 Pct
East_Asian -
Caucasus 21.87 Pct
Sub_Saharan -