ancestors, ancestry, antecedents, blood relatives, bloodline, clan, descent, extraction, family, folk, forebears, forefathers, genealogy, gens, genus, line, line of descent, origin, origo, parentage, progenitors, stirps
affiliation (bloodline), affinity (family ties), ancestry, blood, bloodline, children, derivation, descendant, family (common ancestry), filiation, heritage, house, issue (progeny), kindred, offspring, origin (ancestry), parentage, paternity, posterity, progeny, relationship (family tie), source, succession
Burton's Legal Thesaurus. William C. Burton. 2006
n.Family descent or ancestry.
The Essential Law Dictionary. — Sphinx Publishing, An imprint of Sourcebooks, Inc. Amy Hackney Blackwell. 2008.
n. The overview or totality of the marriage and blood relationships within a family, including the ancestors and descendants of a particular individual.
Webster's New World Law Dictionary. Susan Ellis Wild. 2000.