| breed | Thoroughbred |
| color / sex / birth date | chestnut f ., 1976 |
| breeder | USA |
| Sire line | Nearco |
| Dam line | Toxophilite mare |
| Owner | USA |
|
Halo
(USA)
USA d.-bay, 1969 |
Hail to Reason
(USA)
br., 1958 |
Turn-To
(IRE)
bay, 1951 |
|
Nothirdchance
(USA)
bay, 1948 |
||
|
Cosmah
(USA)
bay, 1953 |
Cosmic Bomb
(USA)
d.-bay, 1944 |
|
|
Almahmoud
(USA)
chestnut, 1947 |
||
|
Royal Signal
(USA)
USA chestnut, 1967 |
Ahoy
(USA)
chestnut, 1960 |
Sailor
(USA)
chestnut, 1952 |
|
Westmister Bridge
(GB)
chestnut, 1950 |
||
|
Queensvale
(USA)
bay, 1957 |
Royal Vale
(GB)
br., 1948 |
|
|
Belle Heloise
(USA)
chestnut, 1945 |