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Inbreeding in Top Thoroughbreds

by Jay Leimbach ©

[This is a purely informational list provided by pedigree columnist Jay Leimbach to make use of as the reader sees fit. Clicking here will open up a second window to use the Del Mar Pedigree Query to look up each horse's pedigree to follow the list.]

NORTH AMERICAN MALES
Man O'War (5x5-Galopin & Hermit, 5x6x6x6-Stockwell)
Secretariat (6x5-Polymelus, 6x6x6-Sundridge)
Citation (5x6x5x4-Hyperion)
Native Dancer (6x6-Isinglass)
Kelso (5x6x5-Rock Sand)
Seattle Slew (4x4-Nasrullah)
Dr. Fager (3x4-Bull Dog, 4x5x5-Teddy)
John Henry (7x6x4-Black Toney)
Forego (6x5x5-Teddy)
Spectacular Bid (3x3-To Market)
Affirmed (5x5x6x7x6-Teddy)
Buckpasser (4x4-Teddy)
Count Fleet (5x5x6x6-St.Simon)
Tom Fool (4x6-Polymelus, 6x5x5-St.Simon)
Graustark (5x4-Tracery)
Swaps (5x4-Polymelus)
Nashua (5x6-Rabelais)
Damascus (5x6x4-Phalaris)
Cigar (4x6-Turn-to & Princequillo)
Skip Away (5x5-Mahmoud, 6x5x6-Blenheim II)
Equipoise (4x5-Hampton)
Exterminator (5x5-Blair Athol, 6x6x6-Stockwell)
Sysonby (4x5x6-Stockwell)
War Admiral (5x6-Australian, 6x6x6-Hermit)
Seabiscuit (6x5x4-St.Simon)
Bold Ruler (5x5-Sundridge)
Armed (4x5-Trenton)
Whirlaway (5x5-Cyllene, 6x6x5x6-St.Simon, 6x6x6x6-Hermit)
Northern Dancer (4x5-Gainsborough, 4x6-Phalaris & Selene)
Colin (6x4-Stockwell, 6x6x5x6-Touchstone)
Stymie (3x3-Man O'War, 4x4-Commando)
Assault (4x5-Commando)
Alydar (4676-Teddy)
Riva Ridge (6x4-Swynford & Gainsborough, 6x6x5-Phalaris)
Foolish Pleasure (5x4x4-Blenheim II)
Ack Ack (5x4-Sickle)
Slew o'Gold (5x4-Princequillo, 6x6x4-War Admiral)
Precisionist (3x4-Olympia)
Sunday Silence (4x5-Mahmoud)
Best Pal (5x4-Princequillo)
Alysheba (4x4-Nasrullah)
Holy Bull (5x5-Questionnaire)
Silver Charm (4x5-War Admiral)
Point Given (4x4-Raise A Native)

FEMALES
Ruffian (4x5x4-Discovery)
Dahlia (4x5x4-Hyperion)
Allez France (6x5-Sir Galahad III & Fair Play)
All Along (4x4-Prince Rose)
Bayakoa (4x4x4-Nasrullah)
Paseana (4x4-Nasrullah)
Lady's Secret (3x5-Nasrullah)
Winning Colors (4x4x5-Nasrullah)
Serena's Song (4x6-Nasrullah, 5x4-Tudor Minstrel)

EUROPEANS
Nearco (5x4x4x5-St. Simon)
Ribot (6x5x6x6-Cyllene, 6x6x6x6x6-St.Simon)
Sea-Bird II (6x4x6-Phalaris)
Sir Ivor (6x6x4-Phalaris, 5x5-Plucky Liege)
Nijinsky II (5x7x5-Phalaris & Selene)
Brigadier Gerard (6x7x6x6x4-Phalaris)
Mill Reef (5x6-The Tetrarch, Gay Crusader)
Nashwan (4x6-Wild Risk)
Dubai Millenium (4x5-Native Dancer, Tom Fool)
Galileo (4x5-Native Dancer)

August 5, 2001. Copyright by Jay Leimbach 2001.