Family heads are the leaders of a family unit. MAS is an acronym for 'Males and Siblings' and refers to the male members of a family, such as fathers, brothers, and uncles. DONS is an acronym for 'Daughters and Other Non-Siblings' and refers to the female members of a family, such as mothers, sisters, and aunts. CAPOS is an acronym for 'Chiefs and Other Primary Overseers' and refers to the most senior members of a family, such as grandparents, great-grandparents, and other elders. Together, these three terms refer to the individuals who lead and oversee a family.