co-great-uncle-in-law 

The husband of one's grandparent-in-law's sister.

My co-great-uncle-in-law is a good person.

co-great-uncle-in-law by Elivaldeq November 24, 2019

first cousin-uncle-in-law 

1. The husband of one's grandparent's sibling's daughter.
2. The son of one's grandparent-in-law's sibling.

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

first cousin-uncle-in-law by Elivaldeq November 24, 2019

co-cousin-uncle-in-law 

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

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

co-cousin-uncle-in-law by Elivaldeq November 24, 2019

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.

first co-cousin-uncle-in-law by Elivaldeq November 24, 2019

step-co-uncle-in-law 

Spouse's steppibling's husband.

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

step-co-uncle-in-law by Wonbig October 13, 2021

half-co-uncle-in-law 

Spouse's half-pibling's husband.

half-co-uncle-in-law.

half-co-uncle-in-law by Simaduria July 27, 2024

uncle-by-marriage-in-law 

Spouse's pibling's husband.

My uncle-by-marriage-in-law is a good person.

uncle-by-marriage-in-law by NSBC968755 February 25, 2023