| breed | Thoroughbred |
| color / sex / birth date | f ., 1936 |
| breeder | USA |
| Sire line | Man o'War |
| Dam line | Martha Lynn |
| Owner | USA |
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American Flag
chestnut, 1922 |
Man o'War
(USA)
chestnut, 1917 |
Fair Play
(USA)
chestnut, 1905 |
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Mahubah
(USA)
bay, 1910 |
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Luscinia
(USA)
USA chestnut, 1927 |
Luke McLuke
(USA)
br., 1911 |
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Shad Fly
(USA)
chestnut, 1914 |
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Sandfly
(GB)
br., 1889 |