| breed | Thoroughbred |
| color / sex / birth date | bay f ., 1950 |
| breeder | Ireland |
| Sire line | Hyperion |
| Dam line | Old Merlin mare |
| foaling reference | Ан. |
| Owner |
|
Rockefella
(GB)
Great Britain bay, 1941 |
Hyperion
(GB)
chestnut, 1930 |
Gainsborough
(GB)
bay, 1915 |
|
Selene
(GB)
bay, 1919 |
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Rockfel
|
|
|
|
|
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Lady Mary Rose
(GB)
Great Britain bay, 1944 |
Nearco
(ITY)
br., 1935 |
Pharos
(GB)
bay, 1920 |
|
Nogara
(ITY)
bay, 1928 |
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|
Rosemain
(GB)
bay, 1936 |
|
|
|
Rosa Croft
(GB)
bay, 1915 |