George II                                                 
                         King of Great Britain and Ireland 1727-1760               
                         1683-1760                                                 
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                         Frederick Lewis                                           
                         Prince of Wales                                           
                         1707-1751                                                 
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                         Prince William Henry of Great Britain and Ireland         
                         Duke of Gloucester and Edinburgh                          
                         1743-1805                                                 
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                         Louisa Maria La Coast                                     
                         1782-1835                                                 
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                         Alexander William Robert Bosville                         
                         de jure 12th Baronet                                      
                         1800-1847                                                 
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                         Julia Louisa Bosville                                     
                         1824-1901                                                 
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                         Hon. Leila Louisa Millicent Willoughby                    
                         1853-1886                                                 
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                         Olive Isobel Russell                                      
                         1882-1960                                                 
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                         David Leslie Birkin                                       
                         1914-1991                                                 
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                         Jane Birkin                                               
                         1946-                                                     
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                         Charlotte Gainsbourg                                      
                         1971-