Progenitor

n.

1.

An ancestor in the direct line; a forefather. And reverence thee their great progenitor. - Milton.

Noun

1.

progenitor - an ancestor in the direct line Synonyms: primogenitor

ancestor, ancestors, ancestress, antecedent, antecedents, archetype, ascendant, ascendants, begetter, elders, fathers, forebear, forebears, forefather, forefathers, foregoer, forerunner, grandfathers, grandparent, grandparents, guide, origin, original, originator, parent, patriarchs, pattern, precursor, predecessor, predecessors, primogenitor, procreator, progenitors, progenitress, progenitrix, prototype, source