| breed | Thoroughbred |
| color / sex / birth date | chestnut f ., 1943 |
| breeder | USA |
| Sire line | Himyar |
| Dam line | Alexander mare |
| 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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My Risk
(USA)
USA chestnut, 1929 |
Campfire
(USA)
chestnut, 1914 |
Olambala
(GB)
chestnut, 1891 |
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Venturesome
(GB)
bay, 1916 |
Sir Martin
(USA)
chestnut, 1906 |
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Ventura
(GB)
bay, 1911 |