| Name | Jonathan (AH) |
| YoB | 1899 |
| Sex | horse |
| Colour | black |
| Sire | Jonesville (US), 1886 |
| Dam | Vjernaja (RU), 1885 |
| Damsire | |
| Breeder | Falcione Lajos |
| Birthplace | Zombor, Kom. Batsch-Bodrog, Ungarn (Sombor, Serbia) |
| Jonathan (AH), 1899 | Jonesville (US), 1886 | Haroldson (US) | |
| Olivia (US), 1873 | Woodburn Pilot (US), 1865 | ||
| Olinda (US), 1864 | |||
| Vjernaja (RU), 1885 | |||