Synonyms for Pedigree (same or very similar meaning)
WordNet sense 1 (the descendants of one individual):
ancestry, bloodline, blood, descent, line, lineage, origin, parentage, stock, stemma, lineage, line of descentWordNet sense 2 (having a list of ancestors as proof of being a purebred animal):
pedigreed, thoroughbred, pureblood, purebloodedWordNet sense 3 (bred for many generation from member of a recognized breed or strain):
purebredFrom the ODE community, based on WordNetadd/edit