| breed | Thoroughbred |
| color / sex / birth date | chestnut f ., 1988 |
| breeder | USA |
| Sire line | Northern Dancer |
| Dam line | Queen Bertha |
| Owner | USA |
|
Topsider
(USA)
USA bay, 1974 |
Northern Dancer
(CAN)
bay, 1961 |
Nearctic
(CAN)
d.-bay, 1954 |
|
Natalma
(USA)
bay, 1957 |
||
|
Drumtop
(USA)
bay, 1966 |
Round Table
(USA)
bay, 1954 |
|
|
Zonah
(USA)
bay, 1958 |
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|
Please Try Hard
(USA)
USA bay, 1976 |
Nashua
(USA)
bay, 1952 |
Nasrullah
(GB)
bay, 1940 |
|
Segula
(USA)
bay, 1942 |
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|
We Try Harder
(USA)
chestnut, 1963 |
Blue Prince
(USA)
bay, 1951 |
|
|
Nato 2
(GB)
chestnut, 1953 |