ancestor ancestor /ˈænsɛstər/

noun

1. () Someone from whom you are descended (but usually more remote than a grandparent)  ( ascendant , ascendent , root , ancestor , antecedent )
   someone from whom you are descended (but usually more remote than a grandparent)
    My ancestors came to America in the early 19th century.
   My ancestors came to America in the early 19th century.