| breed | Thoroughbred |
| color / sex / birth date | chestnut f ., 1975 |
| breeder | USA |
| Sire line | Nasrullah |
| Dam line | Polly Agnes |
| 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 |
||
|
Hopespringseternal
(USA)
USA chestnut, 1971 |
Buckpasser
(USA)
bay, 1963 |
Tom Fool
(USA)
bay, 1949 |
|
Busanda
(USA)
black, 1947 |
||
|
Rose Bower
(USA)
chestnut, 1958 |
Princequillo
(IRE)
bay, 1940 |
|
|
Lea Lane
(USA)
bay, 1952 |