first co-cousin-nibling-in-law

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

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

by Elivaldeq November 24, 2019

first-cousin-1X-removed

First-cousin-once-removed (1C1R).

My first-cousin-1X-removed is a good person.

by N8953SW June 26, 2021

double-first cousin-nibling

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

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

by Hgcloziw November 23, 2019