| breed | Thoroughbred |
| color / sex / birth date | chestnut f ., 1978 |
| breeder | USA |
| Sire line | Nearco |
| Dam line | Sedbury Royal mare |
| foaling reference | Ам. |
| Owner | USA |
|
Imasmartee
(USA)
USA d.-bay, 1962 |
Amerigo
(GB)
chestnut, 1955 |
Nearco
(ITY)
br., 1935 |
|
Sanlinea
(GB)
chestnut, 1947 |
||
|
Impressionist
(USA)
d.-bay, 1958 |
Brookfield
(USA)
bay, 1942 |
|
|
Perfect Gem
(USA)
d.-bay, 1951 |
||
|
Is Certain
(USA)
USA d.-bay, 1966 |
No Robbery
(USA)
bay, 1960 |
Swaps
(USA)
chestnut, 1952 |
|
Bimlette
(USA)
bay, 1944 |
||
|
Itsabet
(USA)
chestnut, 1945 |
Heliopolis
(GB)
bay, 1936 |
|
|
Jayjean
(USA)
bay, 1940 |