great-grandparent 

Grandparent's parent.

My great-grandparent is a good person.

great-grandparent by Mr. Jacov November 23, 2019

great-grandparent 

Grandparent's parent.

My great-grandparent is a good person.

great-grandparent by ZURB981634 February 10, 2022

great-grandparent 

Grandparent's parent.

Great-grandparent.

great-grandparent by Simaduria July 26, 2024

great-grandparent-in-law 

The great-grandparent of one's spouse.

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

great-grandparent-in-law by Rwopazaq November 24, 2019

great-grandparent-in-law 

Spouse's great-grandparent.

great-grandparent-in-law.

great-grandparent-in-law by Simaduria July 27, 2024

great-great-grandparent 

Great-grandparent's parent.

My great-great-grandparent is a good person.

great-great-grandparent by Mr. Jacov November 23, 2019

step-great-grandparent 

1. The parent of one's stepgrandparent.
2. The stepparent of one's grandparent.

My step-great-grandparent is a good person.

step-great-grandparent by Elivaldeq November 24, 2019