_Ferdinand IVREA _________+
                                             | (1238 - 1264)            
                        _John I IVREA _______|
                       | (.... - 1302)       |
                       |                     |_Laura of MONTFORT _______+
                       |                                                
 _John II IVREA _______|
| (1302 - 1343)        |
|                      |                      __________________________
|                      |                     |                          
|                      |_Ida of MEULAN ______|
|                                            |
|                                            |__________________________
|                                                                       
|
|--Jeanne of IVREA 
|  (1336 - 1376)
|                                             _Robert II of ARTOIS _____+
|                                            | (1250 - 1302)            
|                       _Philip of ARTOIS ___|
|                      | (1269 - 1298) m 1281|
|                      |                     |_Amicie of COURTENAY _____+
|                      |                       (.... - 1275)            
|_Catherine of ARTOIS _|
  (1296 - 1368)        |
                       |                      _John II of DREUX ________+
                       |                     | (1238 - 1305)            
                       |_Blanche of DREUX ___|
                         (1271 - 1327) m 1281|
                                             |_Beatrice of PLANTAGENET _+
                                               (1242 - 1274)