first cousin-uncle-in-law

1. The husband of one's grandparent's sibling's daughter.
2. The son of one's grandparent-in-law's sibling.

My first cousin-uncle-in-law is a good person.

by Elivaldeq November 24, 2019

step-co-cousin-in-law

1- Spouse's stepcousin's spouse.
2- Step-co-first-cousin-in-law.

My step-co-cousin-in-law is a good person.

by Wonbig October 13, 2021

sesqui-cousin-niece

Sesqui-first cousin’s daughter.

My sesqui-cousin-niece is a good person.

by Hgcloziw November 23, 2019

sesqui-first cousin-aunt

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

irregular-quintuple-third-cousin

Someone who, in relation to others, has zero parents, zero grandparents, zero great-grandparents and nine great-great-grandparents in common.

Irregular-quintuple-third-cousin.

by Cerejini May 21, 2024

double-cousin

Child of a person's maternal aunt (mother’s sister) with that same person's paternal uncle (father’s brother) or child of a person's paternal aunt (father’s sister) with that same person's maternal uncle (mother’s brother).

My double-cousin is a good person.

by Mr. Jacov November 23, 2019

double-great-cousin-aunt

Daughter of their great-grandparent’s full sibling with the other great-grandparent’s full sibling.

My double-great-cousin-aunt is a good person.

by Hgcloziw November 23, 2019