a father of your grandparent
a grandmother who is the mother of one's father
one's great-great-grandparents in China, the founder of a dynasty
a parent of your grandparent
a mother of your grandparent
the position of grand-father
the parents of one's parents
a person who is a grandfather
the position of great-uncle
a male relation one one's father's side, called
a grandmother who is the mother of one's mother
the father of one's wife or husband