| breed | Thoroughbred | 
| color / sex / birth date | chestnut c ., 1941 | 
| breeder | Great Britain | 
| Sire line | Teddy | 
| Dam line | Queen Bertha | 
| foaling reference | Ан. | 
| Owner | Great Britain | 
| 
             
                                   Brumeux 
                                  (FR)             
                                         France bay, 1925  | 
        
        
             
                                   Teddy 
                                  (FR)             
                         bay, 1913  | 
        
        
             
                                   Ajax 
                                  (FR)             
             bay, 1901  | 
    
| 
             
                                   Rondeau 
                                  (GB)             
             bay, 1900  | 
    ||
| 
             
                                   La Brume 
                                               
                         | 
        
        
             
                                   Alcantara II 
                                  (FR)             
             bay, 1908  | 
    |
| 
             
                                    
                                               
             | 
    ||
| 
             
                                   Aurora 
                                  (GB)             
                                         Great Britain chestnut, 1936  | 
        
        
             
                                   Hyperion 
                                  (GB)             
                         chestnut, 1930  | 
        
        
             
                                   Gainsborough 
                                  (GB)             
             bay, 1915  | 
    
| 
             
                                   Selene 
                                  (GB)             
             bay, 1919  | 
    ||
| 
             
                                   Rose Red 
                                               
                         chestnut, 1924  | 
        
        
             
                                   Swynford 
                                  (GB)             
             d.-bay, 1907  | 
    |
| 
             
                                   Marchetta 
                                  (GB)             
             chestnut, 1907  |