First cousin's great-grandchild.
My great-great-cousin-nibling is a good person.
by Hgcloziw November 23, 2019

Ninth-cousin-five-times-removed (9C5R).
My ninth-cousin-5X-removed is a good person.
by N8953SW June 26, 2021

Great-grandparent's first cousin.
by Hgcloziw November 23, 2019

by Gtopql November 23, 2019

The child-in-law of one's parent-in-law's sibling.
My co-cousin-in-law is a good person.
by Elivaldeq November 24, 2019

Living being that has zero parents, zero grandparents, zero great-grandparents and six great-great-grandparents in common with other living beings.
Triple-third-cousin.
by Simaduria July 26, 2024

Sixth-cousin-six-times-removed (6C6R).
My sixth-cousin-6X-removed is a good person.
by N8953SW June 26, 2021
