| breed | Thoroughbred |
| color / sex / birth date | br. f ., 1918 |
| breeder | Ireland |
| Sire line | St. Simon |
| Dam line | Bustler mare |
| Owner | Ireland |
|
Simon Square
(GB)
Great Britain bay, 1904 |
St. Simon
(GB)
br., 1881 |
Galopin
(GB)
br., 1872 |
|
St. Angela
(GB)
bay, 1865 |
||
|
Sweet Marjorie
(GB)
chestnut, 1896 |
Kendal
chestnut, 1883 |
|
|
St. Marguerite
(GB)
chestnut, 1879 |
||
|
Pollywin
(GB)
Great Britain bay, 1909 |
Polymelus
(GB)
bay, 1902 |
Cyllene
(GB)
chestnut, 1895 |
|
Maid Marian
(GB)
br., 1886 |
||
|
Winnie K
(GB)
br., 1993 |
|
|
|
Aldbourne
(GB)
bay, 1892 |