Genetic contributions from any individual ancestor outside the direct maternal line quickly becomes almost indistinguishable once you get more than a few genera

Genetic contributions from any individual ancestor outside the direct maternal line quickly becomes almost indistinguishable once you get more than a few generations out. Centuries out like Columbus is, it's entirely possible for him to have contributed 0 base pairs to any of his descendants. Some of Columbus' descendants still hold noble titles though, like the Duke of Veragua: https://en.m.wikipedia.org/wiki/Crist%C3%B3bal_Col%C3%B3n_de_Carvajal,_18th_Duke_of_Veragua https://en.m.wikipedia.org/wiki/Crist%C3%B3bal_Col%C3%B3n_de...