1. The granddaughter-in-law of one's sibling.
2. The granddaughter of one's spouse's sibling.
My grandniece-in-law is a good person.
1- Grandnephew's wife.
2- Spouse's grandniece.
My grandniece-in-law is a good person.
1- Grandnibling's wife.
2- Spouse's grandniece.
My grandniece-in-law is a good person.
1- Grandnibling's wife.
2- Spouse's grandniece.
grandniece-in-law.
Sibling's great-granddaughter.
My great-grandniece is a good person.
Spouse's great-great-grandnephew's wife.
My co-great-great-grandniece-in-law is a good person.