| breed | Thoroughbred |
| color / sex / birth date | br. f ., 1934 |
| breeder | USA |
| Sire line | Eclipse |
| Dam line | Old Woodcock mare |
| foaling reference | Ам. |
| Owner | USA |
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Challenger II
(GB)
Great Britain bay, 1927 |
Swynford
(GB)
d.-bay, 1907 |
John O'Gaunt
(GB)
bay, 1901 |
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Canterbury Pilgrim
(GB)
chestnut, 1893 |
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Sword Play
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Granny
(USA)
USA br., 1924 |
Sweep
(USA)
br., 1907 |
Ben Brush
(USA)
bay, 1893 |
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Pink Domino
(USA)
br., 1897 |
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Old Woman
(USA)
bay, 1910 |
Henry of Navarre
(USA)
chestnut, 1891 |
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Miss Ransom
(USA)
chestnut, 1888 |