first great-great-cousin-nibling

First cousin's great-grandchild.

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

by Hgcloziw November 23, 2019

sesqui-first cousin-nephew

Sesqui-first cousin’s son.

My sesqui-first cousin-nephew is a good boy.

by Hgcloziw November 23, 2019

sester-second-cousin

Sester-2C:
Person who, in relation to the other person, has zero parents, zero grandparents and five great-grandparents in common.

My sester-second-cousin is a good person.

by Gerald128 May 15, 2021

first-cousin-four-times-removed

1- Great-great-grandparent's first-cousin.
2- First-cousin's great-great-grandchild.

My first-cousin-four-times-removed is a good person.

by JAMP12 September 21, 2021

co-first-cousin-once-removed-in-law

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

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

by JAMP12 September 21, 2021

sesquiple-second-cousin

Sesquiple-2C: Person who, in relation to the other person, has zero parents, zero grandparents and three great-grandparents in common.

My sesquiple-second-cousin is a good person.

by ZWRB6738 February 22, 2022

Cousin squared

Auntie Alpha and Uncle 1 have children A,B,C

A,B,C are your cousins
1,2,3 are their opposite family cousins

You have no direct relation to 1,2,3 beside being your cousins' cousins
1,2,3 are cousins squared (cousin²)

The non-related cousin of my cousin is my cousin squared

by Ms Ter March 26, 2024