co-second-cousin-in-law

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

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

co-second-cousin-in-law

Spouse's second-cousin's spouse.

co-second-cousin-in-law.

sesquaple-second-cousin

Sesquaple-2C: Person who, in relation to the other person, has zero parents, zero grandparents and seven great-grandparents in common.

My sesquaple-second-cousin is a good person.