progenitor Synonyms

primogenitor ascendants sire root prototype progenitress producer procreator predecessor precursor precedent pioneer source adoptive parent materfamilias fathers antecedents parents progenitrix forebears forebearer biological parent birth parent grandparent pater creator parent originator father determinant dad begetter author ascendant architect antecessor antecedent ancestry ancestress fathership forbear forebear origin mother inventor instaurator grandfather genitor founder forerunner