| breed | Thoroughbred |
| color / sex / birth date | grey f ., 1981 |
| breeder | USA |
| Sire line | Nasrullah |
| Dam line | Queen Mary |
| 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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|
Clover Lane
(USA)
USA grey, 1967 |
Tudor Way
(ARG)
grey, 1956 |
Tudor Castle
(GB)
chestnut, 1948 |
|
Maravillas
(ARG)
grey, 1950 |
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|
Grass Shack
(USA)
black, 1951 |
Polynesian
(USA)
d.-bay, 1942 |
|
|
Good Example
(USA)
br., 1944 |