great-niece-in-law

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

My great-niece-in-law is a good person.

by Elivaldeq November 24, 2019

co-great-niece-in-law

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

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

by Elivaldeq November 24, 2019