| breed | Thoroughbred | 
| color / sex / birth date | chestnut c ., 1898 | 
| breeder | Great Britain | 
| Sire line | Eclipse | 
| Dam line | Toxophilite mare | 
| foaling reference | Ан. | 
| Owner | Great Britain | 
| Isinglass 
                                  (GB) Great Britain bay, 1890 | Isonomy 
                                  (GB) bay, 1875 | Sterling bay, 1868 | 
| Isola Bella 
                                  (GB) bay, 1868 | ||
| Deadlock 
                                  (GB) chestnut, 1878 |  | |
|  | ||
| Astrology 
                                  (GB) Great Britain chestnut, 1887 | Hermit 
                                  (GB) chestnut, 1864 | Newminster 
                                  (GB) bay, 1848 | 
|  | ||
| Stella 
                                  (GB) bay, 1879 | Brother to Strafford 
                                  (GB) br., 1860 | |
| Toxophilite mare 
                                  (GB) bay, 1861 |