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.
My sesqui-first-cousin is a good person.
by Gerald128 May 15, 2021
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Child of their parent’s half-sibling with the other parent’s full sibling.
My sesqui-first cousin is a good person.
by Mr. Jacov November 23, 2019
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Daughter of their grandparent’s half-sibling with the other grandparent’s full sibling.
My sesqui-first cousin-aunt is a good person.
by Hgcloziw November 23, 2019
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Son of their grandparent’s half-sibling with the other grandparent’s full sibling.
My sesqui-first cousin-uncle is a good person.
by Hgcloziw November 23, 2019
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Daughter of their great-grandparent’s half-sibling with the other great-grandparent’s full sibling.
My sesqui-first great-cousin-aunt is a good person.
by Hgcloziw November 23, 2019
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