| breed | Thoroughbred |
| color / sex / birth date | bay f ., 1940 |
| breeder | USA |
| Sire line | Himyar |
| Dam line | Sweet Hawthorn |
| foaling reference | Ам. |
| Owner | USA |
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Stimulus
(USA)
USA chestnut, 1922 |
Ultimus
(USA)
chestnut, 1906 |
Commando
(USA)
bay, 1898 |
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Hurakan
(USA)
bay, 1911 |
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Scarborough
(GB)
Great Britain br., 1924 |
Bridge of Earn
bay, 1906 |
Cyllene
(GB)
chestnut, 1895 |
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Santa Brigida
(GB)
bay, 1898 |
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Scaramuccia
(GB)
bay, 1916 |
Spearmint
(GB)
bay, 1903 |
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Spring Chicken
(GB)
chestnut, 1904 |