According to genome studies, only about 1 man in 17 had great-great-grandchildren, back in the day. 1. https://sciencealert.com/neolithic-y-chromosome-bottlene

According to genome studies, only about 1 man in 17 had great-great-grandchildren, back in the day. 1. https://sciencealert.com/neolithic-y-chromosome-bottleneck-warring-patrilineal-clans https://sciencealert.com/neolithic-y-chromosome-bottleneck-w...