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
The grandchild-in-law of one's spouse's sibling.
My co-grandnibling-in-law is a good person.
by Elivaldeq November 24, 2019
The daughter-in-law of one's grandparent-in-law's sibling.
My co-cousin-aunt-in-law is a good person.
by Elivaldeq November 24, 2019
Spouse's great-granduncle's wife.
My co-great-grandaunt-in-law is a good person.
by JAMP12 September 21, 2021
by EB MacT December 28, 2008