| breed | Thoroughbred |
| color / sex / birth date | bay f ., 1980 |
| breeder | USA |
| Sire line | Nasrullah |
| Dam line | Sweepstakes mare |
| foaling reference | Ам |
| Owner | USA |
|
Secretariat
(USA)
USA chestnut, 1970 |
Bold Ruler
(USA)
br., 1954 |
Nasrullah
(GB)
bay, 1940 |
|
Miss Disco
(USA)
bay, 1944 |
||
|
Somethingroyal
(USA)
bay, 1952 |
Princequillo
(IRE)
bay, 1940 |
|
|
Imperatrice
(USA)
bay, 1938 |
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|
Copernica
(USA)
USA bay, 1972 |
Nijinsky II
(CAN)
bay, 1967 |
Northern Dancer
(CAN)
bay, 1961 |
|
Flaming Page
(USA)
bay, 1959 |
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|
Copper Canyon
(USA)
1965 |
Bryan G.
(USA)
chestnut, 1947 |
|
|
First Flush
(USA)
chestnut, 1948 |