_Alfonso IX IVREA _____+
                                                     | (1171 - 1230)         
                         _Ferdinand III IVREA _______|
                        | (1199 - 1252) m 1219       |
                        |                            |_Berengaria of IVREA __+
                        |                              (1179 - 1246)         
 _Alfonso X IVREA ______|
| (1221 - 1284)         |
|                       |                             _Philip HOHENSTAUFEN __+
|                       |                            | (1177 - 1208)         
|                       |_Elisabeth of HOHENSTAUFEN _|
|                         (1204 - 1235) m 1219       |
|                                                    |_Irene ANGELOS ________+
|                                                      (1181 - 1181)         
|
|--Constance of IVREA 
|  (1258 - 1280)
|                                                     _Peter II BARCELONA ___+
|                                                    | (1178 - 1213)         
|                        _James I BARCELONA _________|
|                       | (1207 - 1276)              |
|                       |                            |_Marie of GUILHEM _____+
|                       |                              (1182 - 1213)         
|_Violant of BARCELONA _|
  (1236 - 1301)         |
                        |                             _Andrew II ÁRPÁD ____+
                        |                            | (1177 - 1235)         
                        |_Violant of ÁRPÁD ________|
                          (1215 - 1251)              |
                                                     |_Yolanda of COURTENAY _+
                                                       (1200 - 1233)