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Because of cousin marriages the number of ancestors is reduced, it's called Pedigree Collapse. In certain populations it's very evident if anyone tries to build
by myth_drannon 3y ago
Because of cousin marriages the number of ancestors is reduced, it's called Pedigree Collapse. In certain populations it's very evident if anyone tries to build a genealogical tree with the help of a dna test.
- kaycebasques 3y agoThanks for the lead. Someone in another comment described it as an inverted pyramid. The graph of Cleopatra VII's lineage seems to be the best example of that: https://en.m.wikipedia.org/wiki/Pedigree_collapse https://en.m.wikipedia.org/wiki/Pedigree_collapse