- Marriage
- Types of marriage: monogamy, polygamy, polygyny, polyandry, group, symbolic, levirate, sororate, ghost marriage, fixed-term
- Serial monogamy
- Same-sex marriage
- Fraternal polyandry
- Incest taboo
- Exogamy
- Endogamy
- Arranged marriage
- Cross-cousin marriage
- Parallel-cousin marriage
- Bride wealth (Bride price)
- Bride service
- Dowry
- Hypergamy
- Indirect dowry
- Woman exchange
- Gift exchange