Britannica
Sources used in this answer
How can adoption change a personâs descent-group membership?
Created from Britannica articles
using AI.
AI can make mistakes, so verify using Britannica articles.
Kinship
An 18th-century family register listing births, marriages, and deaths within a kin group; in the National Archives, Washington, D.C.
In anthropology, adoption serves as a primary method for abridging or modifying descent systems, allowing an individual to gain a new kinship identity. Because descent systems are used to assert rights, duties, and status, adoption functions as a mechanism to alter a person's membership within these social structures.1
The impact of adoption on descent-group membership varies significantly across cultures:
- Replacement of Identity: In some societies, an adoptee formally abjures or renounces their previous kin group, effectively transferring their membership entirely to the new group.1
- Dual Membership: In other cultural contexts, an individual may gain new kin through adoption while simultaneously retaining their original ties, resulting in a broader network of recognized relationships.1
While many cultures notionally adhere to specific descent rulesâsuch as patrilineal or matrilineal systemsâadoption provides a flexible, practical way to navigate or bypass these normative models to accommodate social, political, or economic needs.1