| breed | Thoroughbred |
| color / sex / birth date | bay f ., 1915 |
| breeder | France |
| Sire line | Bay Ronald |
| Dam line | Hyacinthus mare |
| Owner | France |
|
MacDonald II
(FR)
France br., 1901 |
Bay Ronald
(GB)
bay, 1893 |
Hampton
(GB)
bay, 1872 |
|
Black Duchess
(GB)
br., 1886 |
||
|
Myrtledine
(GB)
bay, 1893 |
Barcaldine
(IRE)
bay, 1878 |
|
|
Myrtha
(GB)
bay, 1884 |
||
|
La Tosca II
(USA)
USA br., 1897 |
Laureate
(GB)
br., 1879 |
|
|
Laura
(GB)
bay, 1860 |
||
|
La Tosca
(USA)
chestnut, 1888 |
St. Blaise
(GB)
chestnut, 1880 |
|
|
Toucques
(FR)
chestnut, 1868 |