_Simon I of MONTFORT _+
                                                  | (1025 - 1087)        
                          _Amaury IV of MONTFORT _|
                         | (1068 - 1137) m 1120   |
                         |                        |_Agnes of ÉVREUX ____+
                         |                                               
 _Simon III of MONTFORT _|
| (1117 - 1180) m 1148   |
|                        |                         ______________________
|                        |                        |                      
|                        |_Agnes of GARLANDE _____|
|                          (1105 - 1143) m 1120   |
|                                                 |______________________
|                                                                        
|
|--Simon IV of MONTFORT 
|  (1148 - 1188)
|                                                  ______________________
|                                                 |                      
|                         ________________________|
|                        |                        |
|                        |                        |______________________
|                        |                                               
|_Matilda of UNKNOWN ____|
  (1129 - 1168) m 1148   |
                         |                         ______________________
                         |                        |                      
                         |________________________|
                                                  |
                                                  |______________________