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As a working definition, unions contracted between persons biologically related as second cousins or closer (r ≥ 0.03125) are categorized as consanguineous. This arbitrary limit has been chosen because the genetic influence in marriages between couples related to a lesser degree would usually be expected to differ only slightly from that ...
The terms cousin-uncle/aunt and cousin-niece/nephew are sometimes used to describe the direction of the removal of the relationship, [7] especially in Mennonite, [8] Indian, and Pakistani [citation needed] families. These terms relate to a first cousin once removed, uncle/aunt referring to an older generation and niece/nephew for younger ones.
First, second, and third cousins (and so on unto infinity cousins) are an equal number of generations removed from the common ancestor. First cousins are both the second generation removed from ...
In Pakistan, where there has been cousin marriage for generations and the current rate may exceed 50%, one study estimated infant mortality at 12.7 percent for married double first cousins, 7.9 percent for first cousins, 9.2 percent for first cousins once removed/double second cousins, 6.9 percent for second cousins, and 5.1 percent among ...
half-first cousin thrice removed: 0.78125% (2 −7) 5: 7: 5: double-first cousin thrice removed: 3.125% (2 −5) 8: 8: 5: half-second cousin twice removed: 0.390625% (2 −8) 6: 8: 5: double-second cousin twice removed: 1.5625% (2 −6) 9: 9: 5: half-third cousin once removed: 0.1953125% (2 −9) 7: 9: 5: double-third cousin once removed: 0. ...
This makes President Carter a half second-cousin of producer Berry Gordy. He is also a half second-cousin, once removed, of LMFAO rapper Redfoo (Stefan Kendal Gordy). s_bukley/depositphotos.
Worldwide, more than 10% of marriages are between first or second cousins. [ 1 ] Cousin marriage is an important subject in sociology , anthropology , and alliance theory .
Constantine was a first cousin once removed and sailing partner of the late Duke of Edinburgh, and died at the age of 82 in January last year, decades after being toppled from the throne in a ...