line of descent

from WordNet (r) 3.0 (2006)
line of descent
    n 1: the kinship relation between an individual and the
         individual's progenitors [syn: {descent}, {line of
         descent}, {lineage}, {filiation}]
    2: the descendants of one individual; "his entire lineage has
       been warriors" [syn: {lineage}, {line}, {line of descent},
       {descent}, {bloodline}, {blood line}, {blood}, {pedigree},
       {ancestry}, {origin}, {parentage}, {stemma}, {stock}]