| Name | Theddy Roosevelt (AH) |
| YoB | 1907 |
| Sex | horse |
| Colour | bay |
| Sire | Erlaufthal (AH), 1898 |
| Dam | Mary, Hbl. (AH), 1900 |
| Damsire | ? |
| Breeder | Gutspachtung Altprerau (Hrn. Kürschner, Bachler & Co.) |
| Birthplace | Altprerau, Bez. Mistelbach, Nieder-Österreich (Alt-Prerau, Niederösterreich) |
| Theddy Roosevelt (AH), 1907 | Erlaufthal (AH), 1898 | Warren (US), 1884 | Aristos (US), 1870 |
| Nelly (US), 1873 | |||
| Valeria (US), 1889 | Aberdeen (US), 1866 | ||
| Aleria (US) | |||
| Mary, Hbl. (AH), 1900 | ? | ? | |
| ? | |||
| ? | ? | ||
| ? |