| Name | Bayer Rosa (AH) |
| YoB | 1897 |
| Sex | mare |
| Colour | bay |
| Sire | Quarterstretch (US), 1888 |
| Dam | Lady (US), 1889 |
| Damsire | ? |
| Breeder | Hermann Dieffenbacher |
| Birthplace | Wien, Nieder-Österreich (Wien, Niederösterreich) |
| Bayer Rosa (AH), 1897 | Quarterstretch (US), 1888 | Quartermaster (US), 1883 | Alcyone (US), 1877 |
| Qui Vive (US), 1874 | |||
| Lady Schofield (US), 1869 | Tippoo Saib (US) | ||
| Schofield Mare (US) | |||
| Lady (US), 1889 | ? | ? | |
| ? | |||
| ? | ? | ||
| ? |