Bloodline

Noun

 * 1) The abstract link between a person and their ancestors.
 * 2) The pedigree of an animal.

Thesaurus
affiliation, apparentation, birth, blood, branch, breed, common ancestry, consanguinity, derivation, descent, direct line, distaff side, extraction, family, female line, filiation, house, line, line of descent, lineage, male line, phylum, race, seed, sept, side, spear side, spindle side, stem, stirps, stock, strain, succession, sword side