| breed | Thoroughbred |
| color / sex / birth date | bay f ., 1944 |
| breeder | USA |
| Sire line | Man o'War |
| Dam line | Sweepstakes mare |
| Owner | USA |
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War Admiral
(USA)
USA br., 1934 |
Man o'War
(USA)
chestnut, 1917 |
Fair Play
(USA)
chestnut, 1905 |
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Mahubah
(USA)
bay, 1910 |
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Brushup
(USA)
bay, 1929 |
Sweep
(USA)
br., 1907 |
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Drowsy
(USA)
USA grey, 1934 |
Royal Minstrel
(GB)
grey, 1925 |
Tetratema
(GB)
grey, 1917 |
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Harpsichord
(IRE)
d.-bay, 1918 |
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Lazy Susan
(USA)
chestnut, 1927 |
St. Germans
(GB)
bay, 1921 |
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Idle Dell
(USA)
chestnut, 1918 |