Source : WordNet®

bloodline
     n 1: the descendants of one individual; "his entire lineage has
          been warriors" [syn: {lineage}, {line}, {line of descent},
           {descent}, {blood line}, {blood}, {pedigree}, {ancestry},
           {origin}, {parentage}, {stemma}, {stock}]
     2: ancestry of a purebred animal [syn: {pedigree}]