| Name | Lord Roberts (US) |
| YoB | 1900 |
| Sex | horse |
| Colour | bay |
| Sire | Arion (US), 1889 |
| Dam | Nancy Hanks (US), 1886 |
| Damsire | Happy Medium (US), 1863 |
| Breeder | |
| Birthplace |
| Colour | Gender | Pedigree | Breeder | ||
|---|---|---|---|---|---|
| 1913 | Queen Alix (US) | bay | mare | Lord Roberts (US), 1900 - Queens Heiress (US), 1901 | W. G. Bennett |
| 1917 | St Roberts (US) | bay | horse | Lord Roberts (US), 1900 - Queens Heiress (US), 1901 | |
| 1922 | Nutwood Roberts (US) | bay | horse | Lord Roberts (US), 1900 - Clara B. (US), 1917 | |
| 1922 | Sylvia Stout (US) | bay | mare | Lord Roberts (US), 1900 - Ruth Maxwell (US), 1904 | |
| 1923 | Lady Maxwell (US) | mare | Lord Roberts (US), 1900 - Alta Maxwell (US), 1919 |