One more point...
remember that there are 4 sides and 3 generations of lineage to look at for one dog. (correct me if I'm wrong)
Sire
Sire's Sire
Sire's Grand Sire
Sire's Great Grand Sire
Sire's Dam
Sire's Grand Dam
Sire's Great Grand Dam
Dam
Dam's Sire
Dam's Grand Sire
Dam's Great Grand Sire
Dam's Dam
Dam's Grand Dam
Dam's Great Grand Dam
__________________  Connie |