| Name | Lord Harold (AH) |
| YoB | 1912 |
| Sex | gelding |
| Colour | bay |
| Sire | Directum Kelly (US) or Marecheal (US) |
| Dam | Maud Harold (US), 1894 |
| Damsire | Haroldmont (US), 1885 |
| Breeder | Wilhelm Kohlert |
| Birthplace | Wien, Nieder-Österreich (Wien, Niederösterreich) |
| Lord Harold (AH), 1912 | |||
| Maud Harold (US), 1894 | Haroldmont (US), 1885 | Harold (US), 1864 | |
| Wilna (US), 1879 | |||
| Forget Me Not (US), 1873 | Mambrino Patchen (US), 1862 | ||