_Henry IV MONTBÉLIARD __+
                                                 | (1315 - 1344) m 1340    
                       _Robert I MONTBÉLIARD ___|
                      | (1344 - 1411)            |
                      |                          |_Yolande of DAMPIERRE ___+
                      |                            (1326 - 1395) m 1340    
 _Henry MONTBÉLIARD _|
| (1362 - 1397) m 1384|
|                     |                           _John II VALOIS _________+
|                     |                          | (1319 - 1364)           
|                     |_Marie of VALOIS _________|
|                       (1344 - 1404)            |
|                                                |_Judith of LUXEMBOURG ___+
|                                                  (1315 - 1349)           
|
|--Robert MONTBÉLIARD 
|  (1390 - 1415)
|                                                 _Enguerrand VI of COUCY _
|                                                | (1313 - 1346)           
|                      _Enguerrand VII of COUCY _|
|                     | (1340 - 1396)            |
|                     |                          |_Catherine of HABSBURG __+
|                     |                            (1319 - 1349)           
|_Marie I of COUCY ___|
  (1366 - 1404) m 1384|
                      |                           _Edward III PLANTAGENET _+
                      |                          | (1312 - 1377) m 1327    
                      |_Isabel PLANTAGENET ______|
                        (1332 - 1379)            |
                                                 |_Philippa of AVESNES ____+
                                                   (1311 - 1369) m 1327