| Name | William S. (AH) |
| YoB | 1907 |
| Sex | horse |
| Colour | black |
| Sire | Prince Warwick (US), 1884 |
| Dam | Susie K. (ex Susie Klaus) (AH), 1897 |
| Damsire | Beltair (US), 1890 |
| Breeder | Johann Kaiser & Co. |
| Birthplace | Haringsee, Bez. Floridsdorf, Nieder-Österreich (Haringsee, Niederösterreich) |