CO-INLAW 

Your son/daughters in laws.

Joan and Tony are my co-inlaws.

CO-INLAW by LangP June 5, 2018

second co-cousin-in-law 

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

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

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

co-grandniece-in-law 

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

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

co-grandniece-in-law by Elivaldeq November 24, 2019

co-aunt-in-law 

Spouse's uncle's wife.

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

co-aunt-in-law by Gerald128 April 6, 2021

co-grandniece-in-law 

Spouse's grandnephew's wife.

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

co-grandniece-in-law by Gerald128 April 7, 2021

co-pibling-in-law

Spouse's pibling's spouse.

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

co-pibling-in-law by KNN128 June 15, 2021

co-sister-in-law 

Spouse's sibling's wife.

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

co-sister-in-law by Wonbig October 13, 2021