step-co-first-cousin-once-removed-in-law

Spouse's step-first-cousin-once-removed's spouse.

step-co-first-cousin-once-removed-in-law.

co-first-cousin-thrice-removed-in-law

Spouse's first-cousin-thrice-removed's spouse.

My co-first-cousin-thrice-removed-in-law is a good person.

first co-cousin-aunt-in-law

The daughter-in-law of one's grandparent-in-law's sibling.

My first co-cousin-aunt-in-law is a good person.

co-first-cousin-in-law

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

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

co-first-cousin-twice-removed-in-law

Spouse's first-cousin-twice-removed's spouse.

My co-first-cousin-twice-removed-in-law is a good person.

first co-cousin-nibling-in-law

The grandchild-in-law of one's parent-in-law's sibling.

My first co-cousin-nibling-in-law is a good person.