| breed | Thoroughbred |
| color / sex / birth date | f ., 1978 |
| breeder | |
| Sire line | Nearco |
| Dam line | Old Woodcock mare |
| Owner |
|
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 |
||
|
Slight Deception
(USA)
USA chestnut, |
Northern Dancer
(CAN)
bay, 1961 |
Nearctic
(CAN)
d.-bay, 1954 |
|
Natalma
(USA)
bay, 1957 |
||
|
Deceit
(USA)
d.-bay, 1968 |
Prince John
(USA)
chestnut, 1953 |
|
|
Double Agent
(USA)
br., 1959 |