first co-cousin-nephew-in-law

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

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

step-co-nephew-in-law

Spouse's stepnibling's husband.

My step-co-nephew-in-law is a good person.

co-nephew-in-law

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

My co-nephew-in-law is a good person.

co-nephew-in-law

Spouse's niece's husband.

My co-nephew-in-law is a good person.

co-nephew-in-law

Spouse's nibling's husband.

My co-nephew-in-law is a good person.

co-nephew-in-law

Spouse's nibling's husband.

co-nephew-in-law.

half-co-nephew-in-law

Spouse's half-nibling's husband.

My half-co-nephew-in-law is a good person.