OMC Codes:
590 Family
144 Racial Identification
Racial Affinities
591 Residence
592 Household
593 Family Relationships
594 Nuclear Family
595 Polygamy
596 Extended Families
610 Kin Groups
611 Rule of Descent
612 Kindreds and Ramages
613 Lineages
614 Sibs
615 Phratries
616 Moieties
617 Bilinear Kin Groups
618 Clans
619 Tribe and Nation