This document defines and describes different types of kinship, marriage, and family structures. It discusses kinship by blood including consanguinity, patrilineal, and matrilineal descent. It also covers kinship by marriage including affinity, endogamy, exogamy, monogamy, polygamy, and post-marital residency rules. The document defines nuclear, extended, reconstituted, and transnational families. It concludes with a brief discussion of political kinship including political dynasties and alliances.