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Amaury Cruz's avatar

In The WEIRDest People in the World, Joseph Henrich treats kinship as the central organizing structure of most human societies prior to modern Western development.

His core points:

* Kinship-based societies: For most of history, people lived in dense networks of extended family—clans, lineages, and tribes. These networks governed marriage, inheritance, cooperation, and social obligations. Loyalty was primarily to relatives.

* Marriage norms reinforced kinship: Practices like cousin marriage, arranged marriage, and polygamy kept wealth, alliances, and trust within the family network, strengthening clan cohesion.

* Psychology shaped by kinship: These structures encouraged traits like conformity, in-group loyalty, respect for authority, and suspicion of outsiders. Identity was relational, not individual.

* The Western disruption: Henrich argues that the medieval Western Church systematically weakened kinship networks by banning cousin marriage, promoting nuclear families, and encouraging voluntary associations.

* Resulting shift: As kinship ties loosened, people became more individualistic, more willing to trust strangers, and more inclined toward impersonal institutions—what he calls “WEIRD” psychology (Western, Educated, Industrialized, Rich, Democratic).

In short: kinship, for Henrich, is not just family structure—it is the psychological and social engine of most human societies, and its dismantling in Western Europe set the stage for modern individualism.

Kanchi Mary Richards's avatar

When this came to my feed I had just used the concept of kinship in relation to David Hinton’s Wild Mind Wild Earth. Donna Haraway also has an incredible book that references kinship: https://media.icamiami.org/2020/07/c93615e4-haraway.-staying-with-the-trouble_-making-kin-in-the-chthulucene.pdf

It’s a vital concept. Thanks for bringing this forward ❤️❤️❤️

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