Descendants - people who are the offspring of an ancestor.

Stock - descendants of a particular individual or ethnic group; family or lineage.

Minority - group of people that differs in some way from the larger population.

Naturalization - process of becoming a citizen.

Factions - groups of people inside a political part m y, club, government, etc., working against another group.

Assimilation - process of adapting to the culture of an adopted country.