What is an endogamous population?
An endogamous population is one where the members usually only marry within the population group. It may be based on geography, ethnic identity, social class, or religion. Long periods of intermarriage have left many endogamous populations with lower than average levels of genetic diversity. Examples of historically endogamous populations are the Amish, the Basque, and the various subpopulations of the Jewish Diaspora. How does it affect my results if some of my ancestors married their relatives? The effect on the Family Finder results can vary depending on how closely related these family members were, how frequently marriages between families occurred in your ancestry, and how recently they occurred. Children of a marriage between close relatives might receive segments of their DNA from both parents that originally came from their parents common ancestor. In other words, they inherit more DNA from their parents common ancestor because they are inheriting some of that ancestors DNA th
