_John IV HARCOURT _____+
                                                    | (1290 - 1346)         
                        _John V HARCOURT ___________|
                       | (1320 - 1356)              |
                       |                            |_Isabeau of PARTHENAY _
                       |                              (.... - 1357)         
 _James I of HARCOURT _|
| (1350 - 1405)        |
|                      |                             _______________________
|                      |                            |                       
|                      |_Blanche of PONTHIEU-IVERA _|
|                        (1322 - 1387)              |
|                                                   |_______________________
|                                                                           
|
|--Marie of HARCOURT 
|  (1419 - 1464)
|                                                    _______________________
|                                                   |                       
|                       ____________________________|
|                      |                            |
|                      |                            |_______________________
|                      |                                                    
|_Jeanne of ENGHIEN ___|
  (1358 - 1425)        |
                       |                             _______________________
                       |                            |                       
                       |____________________________|
                                                    |
                                                    |_______________________