What is another word for "descent"?

Roget's Thesaurus (1911) lists these synonyms for "descent": abate, abatement, abba, abridge, abridgment, acclivity, acrospire, ancestor, ancestral, ancestry, and, anticlimax, ascent, attenuate, away, bank, bantling, bate, beach, bend, bevel, bias, birth, block, branch, breed, brood, cant, child, chip, clan, coarctation, consanguinity, contract, contraction, crookedness, crumble, curve, dad, dam.