_Robert III ARTOIS ____+
                                               | (1287 - 1342) m 1320  
                          _John ARTOIS ________|
                         | (1321 - 1387)       |
                         |                     |_Joan of VALOIS _______+
                         |                       (1304 - 1363) m 1320  
 _Philip ARTOIS _________|
| (1358 - 1397) m 1393   |
|                        |                      _______________________
|                        |                     |                       
|                        |_Isabeau of MELUN ___|
|                          (1328 - 1389)       |
|                                              |_______________________
|                                                                      
|
|--Bonne of ARTOIS 
|  (1396 - 1425)
|                                               _John II VALOIS _______+
|                                              | (1319 - 1364)         
|                         _John VALOIS ________|
|                        | (1340 - 1416)       |
|                        |                     |_Judith of LUXEMBOURG _+
|                        |                       (1315 - 1349)         
|_Marie of VALOIS-BERRY _|
  (1375 - 1434) m 1393   |
                         |                      _John I ARMAGNAC ______+
                         |                     | (1311 - 1373)         
                         |_Joanna of ARMAGNAC _|
                           (1346 - 1387)       |
                                               |_Beatrice of CLERMONT _