_William HARCOURT ___+
                                                     | (1827 - 1904)       
                             _Lewis Vernon HARCOURT _|
                            | (1863 - 1922) m 1899   |
                            |                        |_____________________
                            |                                              
 _William Edward HARCOURT __|
| (1908 - 1979)             |
|                           |                         _Walter Hayes BURNS _
|                           |                        | (1838 - 1897)       
|                           |_Mary Ethel BURNS ______|
|                             (1874 - 1961) m 1899   |
|                                                    |_Mary Lyman MORGAN __+
|                                                      (1844 - 1919)       
|
|--Penelope Mary HARCOURT 
|  (1933 - ....)
|                                                     _____________________
|                                                    |                     
|                            ________________________|
|                           |                        |
|                           |                        |_____________________
|                           |                                              
|_Maud Elizabeth GROSVENOR _|
                            |
                            |                         _____________________
                            |                        |                     
                            |________________________|
                                                     |
                                                     |_____________________