ancestor noun

ADJ. direct The builder of the manor house is a direct ancestor of the present owner. | immediate | distant, early, remote a distant ancestor of mine Our earliest ancestors lived in a world fraught with danger. | common The two species share a common ancestor. | illustrious The Romans built these monuments to glorify their illustrious ancestors.

VERB + ANCESTOR be descended from, have, share A lot of the people there are descended from a common ancestor. | trace He can trace his ancestors back to the reign of James the First.