_Simon V of MONTFORT ____+
                                                    | (1170 - 1218)           
                            _Guy of MONTFORT _______|
                           | (1194 - 1227)          |
                           |                        |_Alix of MONTMORENCY ____+
                           |                          (1170 - 1220)           
 _Philippe I of MONTFORT __|
| (.... - 1269)            |
|                          |                         _Balian of IBELIN _______+
|                          |                        | (1143 - 1193)           
|                          |_Helvis of IBELIN ______|
|                            (1178 - 1216)          |
|                                                   |_Maria of KOMNENOS ______+
|                                                     (1154 - 1217)           
|
|--Philippe II of MONTFORT 
|  (1225 - 1270)
|                                                    _Peter I of CAPET _______+
|                                                   | (1126 - ....) m 1150    
|                           _Peter II of COURTENAY _|
|                          | (1165 - 1219)          |
|                          |                        |_Elizabeth of COURTENAY _+
|                          |                          (1127 - 1205) m 1150    
|_Éléonore of COURTENAY _|
  (1208 - 1230)            |
                           |                         _Baldwin V FLANDERS _____+
                           |                        | (1150 - 1195)           
                           |_Yolanda of FLANDERS ___|
                             (1175 - 1219)          |
                                                    |_Margaret I of METZ _____+
                                                      (1145 - 1194)