co-cousin-aunt-in-law

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

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

co-cousin-nibling-in-law

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

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

first co-cousin-uncle-in-law

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

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

co-second-cousin-in-law

Spouse's second-cousin's spouse.

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

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.