This document provides an overview of kinship, marriage, and household structures across cultures. It defines key concepts such as descent, types of kinship, marriage arrangements, post-marital residency rules, and family types. Specific topics covered include unilineal vs. bilateral descent, consanguineal vs. affinal kinship, exogamy vs. endogamy, monogamy vs. polygamy, arranged vs. referred marriage, and nuclear vs. extended vs. blended family models. The document aims to introduce students to the social institutions of kinship, marriage, and family from a comparative cultural perspective.