| Name | Nefelejcs (AH) |
| YoB | 1898 |
| Sex | mare |
| Colour | grey |
| Sire | Mount Morris (US), 1882 |
| Dam | Nora xx (AH), 1882 |
| Damsire | |
| Breeder | Gróf Károlyi Lajos |
| Birthplace | Tótmegyer, Kom. Neutra, Ungarn (Palárikovo, Slovenská republika) |
| Nefelejcs (AH), 1898 | Mount Morris (US), 1882 | Smuggler (US), 1866 | Blanco (US) |
| Irwin Mare (US) | |||
| Christine (US) | Hambletonian (Wood's) (US), 1858 | ||
| Lydia (US) | |||
| Nora xx (AH), 1882 | |||