ancestor; forefather; grandparents

father's mother; paternal grandmother

father's father; paternal grandfather

ancestors; forebears; (biology) ancestral species; ancient species from which present-day species evolved

motherland

father's mother; paternal grandmother

father's father; paternal grandfather

ancestors; forebears; (biology) ancestral species; ancient species from which present-day species evolved

motherland

paternal grandparents

Buddha; founder of a buddhist sect

primogenitor; founder of a school or trade

(literary) my deceased grandfather; (literary) ancestors

grandfather's younger brother

Great Ancestor (posthumous title, e.g. for the founder of a dynasty)