| breed | Thoroughbred |
| color / sex / birth date | bay c ., 1987 |
| breeder | USA |
| Sire line | Nasrullah |
| Dam line | Old Merlin mare |
| foaling reference | Ам. |
| Owner | USA |
|
Seattle Slew
(USA)
USA br., 1974 |
Bold Reasoning
(USA)
br., 1968 |
Boldnesian
(USA)
bay, 1963 |
|
Reason To Earn
(USA)
bay, 1963 |
||
|
My Charmer
(USA)
bay, 1969 |
Poker
(USA)
bay, 1963 |
|
|
Fair Charmer
(USA)
chestnut, 1959 |
||
|
Double Axle
(USA)
USA chestnut, 1974 |
The Axe II
(USA)
grey, 1958 |
Mahmoud
(FR)
grey, 1933 |
|
Blackball
(USA)
d.-bay, 1950 |
||
|
Snow Bower
(USA)
bay, 1969 |
Nearctic
(CAN)
d.-bay, 1954 |
|
|
Sulenan
(GB)
1963 |