sesqui-first-cousin
Sesqui-cousin or sesqui-1C:
1- Child of their parent’s full sibling with the other parent’s half-sibling.
2- Person who, in relation to the other person, has zero parents and three grandparents in common.
1- Child of their parent’s full sibling with the other parent’s half-sibling.
2- Person who, in relation to the other person, has zero parents and three grandparents in common.
sesqui-first-cousin by Gerald128 May 15, 2021
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