Spouse's great-grandnibling's wife.
My co-great-grandniece-in-law is a good person.
by Wonbig October 13, 2021



The grandchild-in-law of one's spouse's sibling.
My co-grandnibling-in-law is a good person.
by Elivaldeq November 24, 2019

The daughter-in-law of one's grandparent-in-law's sibling.
My co-cousin-aunt-in-law is a good person.
by Elivaldeq November 24, 2019

by EB MacT December 28, 2008
