| breed | Thoroughbred | 
| color / sex / birth date | bay f ., 1897 | 
| breeder | Great Britain | 
| Sire line | Eclipse | 
| Dam line | Grand Duchess | 
| 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  | 
        
        
             
                                    
                                               
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| 
             
                                   Sweet Duchess 
                                  (GB)             
                                         Great Britain bay, 1891  | 
        
        
             
                                   Hagioscope 
                                  (GB)             
                         chestnut, 1878  | 
        
        
             
                                   Speculum 
                                               
             1865  | 
    
| 
             
                                    
                                               
             | 
    ||
| 
             
                                   Grand Duchess 
                                  (GB)             
                         bay, 1871  | 
        
        
             
                                   Lozenge 
                                  (GB)             
             bay, 1862  | 
    |
| 
             
                                   Ladylike 
                                  (GB)             
             br., 1858  |