co-third-cousin-in-law

1- Spouse's third-cousin's spouse.
2- Co-3C-in-law.

My co-third-cousin-in-law is a good person.

by User655 July 26, 2021

third cousin-niece

Third cousin's daughter.

My third cousin-niece is a good girl.

by Hgcloziw November 23, 2019

4.5-tuple-third-cousin

4.5-tuple-3C:
Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents and nine great-great-grandparents in common.

My 4.5-tuple-third-cousin is a good person.

by Gerald128 May 15, 2021

third-cousin-once-removed-in-law

1- Third-cousin-once-removed's spouse.
2- Spouse's third-cousin-once-removed.

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

by JAMP12 September 21, 2021

third great-cousin-pibling

Grandparent's third cousin.

My third great-cousin-pibling is a good person.

by Gtopql November 24, 2019