| Name | Kleo (AH) |
| YoB | 1901 |
| Sex | mare |
| Colour | bay |
| Sire | Prometheus (US), 1889 |
| Dam | Gretl (AH), 1893 |
| Damsire | ? |
| Breeder | Heinrich Frierss |
| Birthplace | Sonnberg, Bez. Ober-Hollabrunn, Nieder-Österreich (Sonnberg, Niederösterreich) |
| Kleo (AH), 1901 | Prometheus (US), 1889 | Chimes (US), 1884 | Electioneer (US), 1868 |
| Beautiful Bells (US), 1872 | |||
| Guenn (US), 1885 | Mambrino King (US), 1872 | ||
| Favorite (US), 1879 | |||
| Gretl (AH), 1893 | ? | ? | |
| ? | |||
| ? | ? | ||
| ? |