| breed | Thoroughbred |
| color / sex / birth date | chestnut f ., 1937 |
| breeder | USA |
| Sire line | Dark Ronald |
| Dam line | Turk mare |
| foaling reference | Ам. |
| Owner | USA |
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Jamestown
(USA)
USA bay, 1928 |
St. James
(USA)
bay, 1921 |
Ambassador IV
(GB)
br., 1911 |
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Bobolink
(GB)
bay, 1913 |
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Last Straw
(USA)
USA chestnut, 1918 |
Ultimus
(USA)
chestnut, 1906 |
Commando
(USA)
bay, 1898 |
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Broom Flower
(USA)
chestnut, 1912 |
Broomstick
(USA)
bay, 1901 |
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Kildeer
(USA)
chestnut, 1888 |