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Old 09-24-2012, 07:49 PM
Chronos Chronos is online now
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Join Date: Jan 2000
Location: The Land of Cleves
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Quoth Kimstu:

In any case, the actual answer seems to be that medieval canon law starting in the 9th century prohibited marriages within the 7th degree of kinship, not 17th.
And "7th degree of kinship" doesn't mean 7th cousin, either. Kin in the 7th degree would be, for example, third cousins once removed (or second cousins 3 times removed, etc., though that makes marriages rather unlike just by virtue of age).