Synonyms of forefather

1 Syllable
sire
2 Syllables
granddad, patriarch
3 Syllables
procreator, forebear, precursor, granddaddy, grandpappy, ancestry, ascendant, ancestor, grandfather, ancestors, forebears, grandfathers, ancestries
4 Syllables
predecessor, forebearer, parentage, antecedent, foremother, progenitor
5 Syllables
primogenitor