_John IVREA __________________+
                                             | (1190 - 1267)                
                       _Hugh III IVREA ______|
                      | (1220 - 1266)        |
                      |                      |_Mahaut of BURGUNDY __________+
                      |                        (.... - 1242)                
 _Otto IV IVREA ______|
| (1248 - 1302)       |
|                     |                       _Otto I ANDECHS ______________+
|                     |                      | (1180 - 1234)                
|                     |_Adelaide of ANDECHS _|
|                       (.... - 1278)        |
|                                            |_Beatrice II of HOHENSTAUFEN _+
|                                              (1193 - 1231)                
|
|--Robert IVREA 
|  
|                                             _Robert I ARTOIS _____________+
|                                            | (1216 - 1249) m 1237         
|                      _Robert II of ARTOIS _|
|                     | (1250 - 1302)        |
|                     |                      |_Matilda of REGINAR __________+
|                     |                        (1224 - 1288) m 1237         
|_Mahaut of ARTOIS ___|
  (1268 - 1329)       |
                      |                       _Peter II of COURTENAY _______+
                      |                      | (1218 - 1249)                
                      |_Amicie of COURTENAY _|
                        (.... - 1275)        |
                                             |_Petronille of JOIGNY ________