The child-in-law of one's grandparent-in-law's sibling.
by Elivaldeq November 24, 2019

Cousin or 1C:
1- Parent's full sibling's child.
2- Person who, in relation to the other person, has zero parents and two grandparents (maternal or paternal) in common.
1- Parent's full sibling's child.
2- Person who, in relation to the other person, has zero parents and two grandparents (maternal or paternal) in common.
My first-cousin is a good person.
by Gerald128 May 15, 2021

1- Pibling's child. / Parent's nibling.
2- Person who, in relation to the other person, has zero parents and two grandparents (maternal or paternal) in common.
3- Cousin.
4- 1C.
2- Person who, in relation to the other person, has zero parents and two grandparents (maternal or paternal) in common.
3- Cousin.
4- 1C.
My first-cousin is a good person.
by Peter12369 October 21, 2021

My sesqui-first cousin-nibling is a good person.
by Hgcloziw November 23, 2019

My sesqui-first cousin-pibling is a good person.
by Hgcloziw November 23, 2019

First cousin's great-grandson.
by Hgcloziw November 23, 2019

My double-first great-cousin-aunt is a good person.
by Hgcloziw November 23, 2019
