double-first great-cousin-nephew

Son of their maternal first cousin’s child with the paternal first cousin’s child or double-first cousin’s grandson.

My double-first great-cousin-nephew is a good person.

by Hgcloziw November 23, 2019

first co-cousin-nephew-in-law

The grandson-in-law of one's parent-in-law's sibling.

My first co-cousin-nephew-in-law is a good person.

by Elivaldeq November 24, 2019

co-first-cousin-thrice-removed-in-law

Spouse's first-cousin-thrice-removed's spouse.

My co-first-cousin-thrice-removed-in-law is a good person.

by JAMP12 September 21, 2021

step-first-cousin-twice-removed

1- Stepgrandparent's first-cousin.
2- Grandparent's step-first-cousin.
3- Step-first-cousin's granchild.
4- First-cousin's stepgrandchild.
5- Step-1C2R.

My step-first-cousin-twice-removed is a good person.

by User655 July 25, 2021

sesqui-first great-cousin-aunt

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

half first cousin

Your half uncle/aunt's child

I hate my half first cousin, She is a bitch

by GasparThalasso September 24, 2025

sesqui-first great-cousin-nibling

Sesqui-first cousin’s grandchild.

My sesqui-first great-cousin-nibling is a good person.

by Hgcloziw November 23, 2019