| breed | Thoroughbred | 
| color / sex / birth date | bay f ., 1943 | 
| breeder | Great Britain | 
| Sire line | St. Simon | 
| Dam line | Queen Bertha | 
| foaling reference | Ан. | 
| Owner | Great Britain | 
| 
             
                                   Bois Roussel 
                                  (FR)             
                                         France d.-bay, 1935  | 
        
        
             
                                   Vatout 
                                  (FR)             
                         bay, 1926  | 
        
        
             
                                   Prince Chimay 
                                  (GB)             
             chestnut, 1915  | 
    
| 
             
                                   Vasthi 
                                  (FR)             
             bay, 1921  | 
    ||
| 
             
                                   Plucky Liege 
                                  (GB)             
                         bay, 1912  | 
        
        
             
                                   Spearmint 
                                  (GB)             
             bay, 1903  | 
    |
| 
             
                                   Concertina 
                                  (GB)             
             bay, 1896  | 
    ||
| 
             
                                   Keystone 
                                  (GB)             
                                         Great Britain br., 1938  | 
        
        
             
                                   Umidwar 
                                  (GB)             
                         bay, 1931  | 
        
        
             
                                   Blandford 
                                  (GB)             
             br., 1919  | 
    
| 
             
                                   Uganda 
                                               
             bay, 1921  | 
    ||
| 
             
                                   Rosetta 
                                  (GB)             
                         d.-bay, 1931  | 
        
        
             
                                   Kantar 
                                  (FR)             
             bay, 1925  | 
    |
| 
             
                                   Rose Red 
                                               
             chestnut, 1924  |