Jewish diaspora people as descending from ancient Hebrew and Israelite residents of the Levant" and "the dispersion of the people of ancient Israel throughout the Old World". North African, Italian and others of Iberian origin show variable frequencies of admixture with non-Jewish historical host populations among the maternal lines. In the case of Ashkenazi and Sephardi Jews (in particular Moroccan Jews), who are closely related, the source of non-Jewish admixture is mainly southern European, while Mizrahi Jews show evidence of admixture with other Middle Eastern populations and Sub-Saharan Africans. Behar "et al." have remarked on an especially close relationship of Ashkenazi Jews
Ethnoreligious group Ethnoreligious group An ethnoreligious group (or ethno-religious group) is an ethnic group whose members are also unified by a common religious background. In general ethnoreligious communities define their ethnic identity not only by ancestral heritage nor simply by religious affiliation but normally through a combination of both. An ethnoreligious group has a shared history and a cultural tradition - which can be defined as religious - of its own. In many cases ethnoreligious groups are ethno-cultural groups with a traditional ethnic religion; in other cases ethnoreligious groups begin as communities united by a common faith which through endogamy developed cultural