| breed | Thoroughbred |
| color / sex / birth date | f ., 1931 |
| breeder | Great Britain |
| Sire line | Eclipse |
| Dam line | Ellen Horne |
| Owner | Great Britain |
|
Lord Wembley
(GB)
Great Britain bay, 1923 |
Tredennis
chestnut, 1898 |
Kendal
chestnut, 1883 |
|
|
||
|
Captive Princess
(GB)
bay, 1913 |
Captivation
(GB)
bay, 1902 |
|
|
Princess Eager
(GB)
bay, 1903 |
||
|
Seaspear
(GB)
Great Britain chestnut, 1926 |
Spearwort
(GB)
1917 |
Spearmint
(GB)
bay, 1903 |
|
Monisima
(GB)
bay, 1910 |
||
|
Supermare
(GB)
1916 |
Royal Realm
bay, 1905 |
|
|
Meinhart
(GB)
1906 |