| Meno | Mackensen (AH) |
| Rok nar. | 1915 |
| Pohlavie | rebec |
| Farba | čierna hnedá |
| Otec | Gayton (US), 1892 |
| Matka | Early Alice (US), 1901 |
| Otec matky | Early Reaper (US), 1895 |
| Chovatež | George Bodimer & Marie Martin |
| Miesto narodenia | Gainfarn, Bez. Baden, Nieder-Österreich (Gainfarn, Bad Vöslau, Niederösterreich) |