| Name | Zorko (AH) |
| Jahrgang | 1896 |
| Geschlecht | Hengst |
| Farbe | braun |
| Vater | Clear Grit (US), 1885 |
| Muter | Zora (AH), 1889 |
| Muttervater | Chief, Hbl. |
| Züchter | Johann Rajh |
| Geburtsort | Mautdorf, Bez. Luttenberg, Steiermark (Mota, Ljutomer, Slovenija) |
| Zorko (AH), 1896 | Clear Grit (US), 1885 | Old Clear Grit (US), 1861 | Lapidist xx (GB), 1849 |
| Cock of the Rock Mare (morgan) (US) | |||
| ? | ? | ||
| ? | |||
| Zora (AH), 1889 | Chief, Hbl. | ||
| e. Landes-St. | ? | ||
| ? |