What do you call your mother's father's father?

Answer 1

your mother is called your mother.

her dad is your grandfather.

and his dad is your great grandfather.

and then each parent of that you add a great. e.g.

your great grandfathers father is your great great grandfather.

ect.

Answer 2

Your father's sister's mother is also your father's mother.

Your father's mother is your grandmother.

Answer 3

your great aunt.

Answer 4

Grand uncle