Your great grandfather is an example of a progenitor.
The person who started the Renaissance movement is an example of a progenitor.
Abraham alias Ibrahim is the progenitor of both the Jewish and Arab peoples.
Progenitors of the new music.
Other Word Forms
Origin of progenitor
From American Heritage Dictionary of the English Language, 5th Edition
- From Middle English, from Middle French progeniteur (Modern French progéniteur), from Latin progenitor, from progenitus, perfect participle of progignere (“to beget"), itself from pro- (“forth") + gignere (“to beget").