parentage noun3 •The identity and nature of one's parents, and in particular, the legitimacy of one's birth.I am a Lord, for so my deedes shall prooue, And yet a shepheard by my Parentage: […] — 1587 •The social quality of one's class in society.My fortunes parentage — good parentage — To equal mine! — was it not thus? What say you? — 1607 •(figurative) Origin; derivation. formsparentages