grandniece 

Sibling's granddaughter.

My grandniece is a good person.

grandniece by Mr. Jacov November 23, 2019

grandniece 

Sibling's granddaughter.

Grandniece.

grandniece by Simaduria July 26, 2024

grandniece-in-law 

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.

grandniece-in-law by Elivaldeq November 24, 2019

grandniece-in-law 

1- Grandnephew's wife.
2- Spouse's grandniece.

My grandniece-in-law is a good person.

grandniece-in-law by Gerald128 April 7, 2021

grandniece-in-law 

1- Grandnibling's wife.
2- Spouse's grandniece.

My grandniece-in-law is a good person.

grandniece-in-law by Wonbig October 13, 2021

grandniece-by-marriage 

Spouse's grandniece.

My grandniece-by-marriage is a good person.

grandniece-by-marriage by NSBC968755 February 25, 2023

grandniece-by-marriage-in-law 

Spouse's grandnibling's wife.

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

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