WordNet sense 1 (the kinship relation between an individual and the individual's progenitors):

descent, filiation, line of descent

WordNet sense 2 (the number of lines in a piece of printed material):

linage

WordNet sense 3 (the descendants of one individual):

ancestry, bloodline, blood, line, origin, parentage, pedigree, stock, stemma

WordNet sense 4 (inherited properties shared with others of your bloodline):

derivation