_William LEVESON-GOWER _+
                                            |                        
                       _John LEVESON-GOWER _|
                      |                     |
                      |                     |_Jane GRANVILLE ________
                      |                                              
 _John LEVESON-GOWER _|
|                     |
|                     |                      ________________________
|                     |                     |                        
|                     |_Catherine MANNERS __|
|                                           |
|                                           |________________________
|                                                                    
|
|--Gertrude LEVESON-GOWER 
|  
|                                            ________________________
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|                      _____________________|
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|                     |                     |________________________
|                     |                                              
|_Evelyn PIERREPONT __|
                      |
                      |                      ________________________
                      |                     |                        
                      |_____________________|
                                            |
                                            |________________________