_Peter I of CAPET _______+
                                                    | (1126 - ....) m 1150    
                            _Peter II of COURTENAY _|
                           | (1165 - 1219)          |
                           |                        |_Elizabeth of COURTENAY _+
                           |                          (1127 - 1205) m 1150    
 _Baldwin II of COURTENAY _|
| (1217 - 1273)            |
|                          |                         _Baldwin V FLANDERS _____+
|                          |                        | (1150 - 1195)           
|                          |_Yolanda of FLANDERS ___|
|                            (1175 - 1219)          |
|                                                   |_Margaret I of METZ _____+
|                                                     (1145 - 1194)           
|
|--Philip I COURTENAY 
|  (1243 - 1283)
|                                                    _Érard II of BRIENNE ___+
|                                                   | (.... - 1190)           
|                           _John I BRIENNE ________|
|                          | (1170 - 1236) m 1224   |
|                          |                        |_Agnes of MONTFAUCON ____+
|                          |                                                  
|_Marie of BRIENNE ________|
  (1224 - 1275)            |
                           |                         _Alfonso IX IVREA _______+
                           |                        | (1171 - 1230)           
                           |_Berengaria of IVREA ___|
                             (1204 - 1237) m 1224   |
                                                    |_Berengaria of IVREA ____+
                                                      (1179 - 1246)