'Crow kinship' is a
kinship system used to define
family. Identified by
Louis Henry Morgan in his
1871 work ''Systems of Consanguinity and Affinity of the Human Family'', the Crow system is one of the six major kinship systems (
Eskimo,
Hawaiian,
Iroquois, Crow,
Omaha, and
Sudanese).
Kinship system
The system is somewhat similar to the
Iroquois system, but further distinguishes between the mother's side and the father's side. Relatives on the mother's side of the family have more descriptive terms, and relatives on the father's side have more classificatory terms.
The Crow system is distinctive because unlike most other kinship systems, it chooses to not distinguish between certain generations. The relatives of the subject's father's matrilineage are distinguished only by their sex, regardless of their age or generation. In contrast, within Ego's own matrilineage, differences of generation are noted. The system is associated with groups that have a strong tradition of
matrilineal descent. In doing so, the system is almost a mirror image of the
Omaha system.
The system, like the Iroquois, uses 'Bifurcate Merging', however, only the
Iroquois system uses BM as a secondary name.

Graphic of the Crow kinship system
Usage
The system is named for the
Crow Indians (more properly known as the Absoroka Tribe), of
Montana. The system is in common usage throughout the world and is currently used by the
Hopi Indians in the Southwestern
U. S. as well as (traditionally) by members of the
Navajo Nation.
See also
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Family
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Kinship and descent
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Anthropology
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List of anthropologists
Sources & external links
★ William Haviland, Cultural Anthropology, Wadsworth Publishing, 2002. ISBN 0-534-27479-X
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The nature of kinship
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Archnet: Crow kinship
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Crow Kin Terms
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Crow Kinship & Social Organization