| breed | Thoroughbred |
| color / sex / birth date | bay c ., 1964 |
| breeder | USA |
| Sire line | Nasrullah |
| Dam line | Pocahontas |
| Owner | USA |
|
Bold Ruler
(USA)
USA br., 1954 |
Nasrullah
(GB)
bay, 1940 |
Nearco
(ITY)
br., 1935 |
|
Mumtaz Begum
(FR)
bay, 1932 |
||
|
Miss Disco
(USA)
bay, 1944 |
Discovery
(USA)
chestnut, 1931 |
|
|
Outdone
(USA)
bay, 1936 |
||
|
Stepping Stone
(USA)
USA bay, 1950 |
Princequillo
(IRE)
bay, 1940 |
Prince Rose
(GB)
bay, 1928 |
|
Cosquilla
(GB)
bay, 1933 |
||
|
Step Across
(USA)
d.-bay, 1941 |
Balladier
(GB)
black, 1932 |
|
|
Drawbridge
(USA)
bay, 1934 |