_Ferdinand II IVREA _____+
                                              | (1137 - 1187) m 1165    
                        _Alfonso IX IVREA ____|
                       | (1171 - 1230)        |
                       |                      |_Urraca of BURGUNDY _____+
                       |                        (1148 - 1211) m 1165    
 _Ferdinand III IVREA _|
| (1199 - 1252)        |
|                      |                       _Alfonso VIII IVREA _____+
|                      |                      | (1155 - 1214)           
|                      |_Berengaria of IVREA _|
|                        (1179 - 1246)        |
|                                             |_Eleanor of PLANTAGENET _+
|                                               (1161 - 1214)           
|
|--Ferdinand IVREA 
|  (1238 - 1264)
|                                              _________________________
|                                             |                         
|                       _Simon of DAMMARTIN __|
|                      |                      |
|                      |                      |_________________________
|                      |                                                
|_Jeanne of DAMMARTIN _|
  (1220 - 1278)        |
                       |                       _William of PONTHIEU ____
                       |                      |                         
                       |_Maria of PONTHIEU ___|
                                              |
                                              |_________________________