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-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

double-first-cousin-once-removed

1- Child of cousin (parent's niece) and of granduncle (other parent's uncle) at the same time.
2- Child of cousin (parent's nephew) and of grandaunt (other parent's aunt) at the same time.
3- Child of cousin (parent's niece) and of cousin (other parent's nephew) at the same time.
4- Child of granduncle (grandparent's brother) and of grandaunt (other grandparent's sister) at the same time.

Double-first-cousin-once-removed.

by Zabombini October 5, 2024