| Name | Lord Thomas (US) |
| YoB | 1889 |
| Sex | horse |
| Colour | bay |
| Sire | Mambrino King (US), 1872 |
| Dam | |
| Damsire | |
| Breeder | C. J. Hamlin & S. M. & J. Thomas |
| Birthplace |
| Lord Thomas (US), 1889 | Mambrino King (US), 1872 | Mambrino Patchen (US), 1862 | Mambrino Chief (US), 1844 |
| The Rodes Mare (US), 1850 | |||
| Belle Thornton (US) | Edwin Forrest (Alexander's) (US), 1851 | ||
| Brown Kitty (US) | |||