First cousin's spouse or spouse's first cousin.
My cousin-in-law is a educated person.
Spouse's first-cousin-thrice-removed's spouse.
My co-first-cousin-thrice-removed-in-law is a good person.
Spouse's step-first-cousin-once-removed's spouse.
step-co-first-cousin-once-removed-in-law.
The child-in-law of one's grandparent-in-law's sibling.
My first co-cousin-pibling-in-law is a good person.
1- First-cousin-once-removed's spouse.
2- Spouse's first-cousin-once-removed.
3- 1C1R-in-law.
My first-cousin-once-removed-in-law is a good person.
1- First-cousin-once-removed's spouse.
2- Spouse's first-cousin-once-removed.
first-cousin-once-removed-in-law.