| breed | Thoroughbred |
| color / sex / birth date | bay f ., 1964 |
| breeder | USA |
| Sire line | Hyperion |
| Dam line | Squirrel mare |
| foaling reference | Ам. |
| Owner | USA |
|
Olympia
(USA)
USA bay, 1946 |
Heliopolis
(GB)
bay, 1936 |
Hyperion
(GB)
chestnut, 1930 |
|
Drift
(GB)
br., 1926 |
||
|
Miss Dolphin
(USA)
chestnut, 1934 |
Stimulus
(USA)
chestnut, 1922 |
|
|
Tinamou
(USA)
br., 1922 |
||
|
Plucky Roman
(USA)
USA bay, 1954 |
Roman
(USA)
bay, 1937 |
Sir Gallahad III
(FR)
bay, 1920 |
|
Buckup
1928 |
||
|
Hasty Request
(USA)
bay, 1948 |
Requested
(USA)
chestnut, 1939 |
|
|
Hadepine
(USA)
bay, 1939 |