_John V HARCOURT ___________+
                                              | (1320 - 1356)              
                       _John VI HARCOURT _____|
                      | (1342 - 1388) m 1359  |
                      |                       |_Blanche of PONTHIEU-IVERA _
                      |                         (1322 - 1387)              
 _John VII HARCOURT __|
| (1369 - 1452) m 1389|
|                     |                        _Peter I BOURBON ___________+
|                     |                       | (1311 - 1356)              
|                     |_Catherine of BOURBON _|
|                       (1342 - 1427) m 1359  |
|                                             |_Isabella of VALOIS ________+
|                                               (1313 - 1383)              
|
|--John VIII HARCOURT 
|  (1396 - 1424)
|                                              _Charles II VALOIS _________+
|                                             | (1297 - 1346) m 1336       
|                      _Peter II VALOIS ______|
|                     | (1340 - 1404) m 1371  |
|                     |                       |_Maria of LA CERDA _________+
|                     |                         (1319 - 1379) m 1336       
|_Marie of VALOIS ____|
  (1373 - 1417) m 1389|
                      |                        ____________________________
                      |                       |                            
                      |_Marie CHAMAILLART ____|
                        (.... - 1425) m 1371  |
                                              |____________________________