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Key Terms
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affinals  Relatives by marriage, whether of lineals (e.g., son’s wife) or collaterals (e.g., sister’s husband).
ambilineal  Principle of descent that does not automatically exclude the children of either sons or daughters.
bifurcate collateral kinship terminology  Kinship terminology employing separate terms for M, F, MB, MZ, FB, and FZ.
bifurcate merging kinship terminology  Kinship terminology in which M and MZ are called by the same term, F and FB are called by the same term, and MB and FZ are called by different terms.
bilateral kinship calculation  A system in which kinship ties are calculated equally through both sexes: mother and father, sister and brother, daughter and son, and so on.
clan  Unilneal descent group based on stipulated descent. collateral relative A genealogical relative who is not in ego’s direct line, such as B, Z, FB, or MZ.
descent group  A permanent social unit whose members claim common ancestry; fundamental to tribal society.
ego  Latin for I. In kinship charts, the point from which one views an egocentric genealogy.
extended family  Expanded household including three or more generations.
family of orientation  Nuclear family in which one is born and grows up.
family of procreation  Nuclear family established when one marries and has children.
functional explanation  Explanation that establishes a correlation or interrelationship between social customs. When customs are functionally interrelated, if one changes, the others also change.
generational kinship terminology  Kinship terminology with only two terms for the parental generation, one designating M, MZ, and FZ and the other designating F, FB, and MB.
kinship calculation  The system by which people in a particular society reckon kin relationships.
lineage  Unilineal descent group based on demonstrated descent.
lineal kinship terminology  Parental generation kin terminology with four terms: one for M, one for F, one for FB and MB, and one for MZ and FZ. lineal relative Any of ego’s ancestors or descendants (e.g., parents, grandparents, children, grandchildren); on the direct line of descent that leads to and from ego.
matrilineal descent  Unilineal descent rule in which people join the mother’s group automatically at birth and stay members throughout life.
matrilocality  Customary residence with the wife’s relatives after marriage, so that children grow up in their mother’s community.
neolocality  Postmarital residence pattern in which a couple establishes a new place of residence rather than living with or near either set of parents.
patrilineal descent  Unilineal descent rule in which people join the father’s group automatically at birth and stay members throughout life.
patrilocality  Customary residence with the husband’s relatives after marriage, so that children grow up in their father’s community.
unilineal descent  Matrilineal or patrilineal descent.







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