_Roger III TOSNY _______+
                                                  | (1104 - 1162)          
                          _Raoul IV TOSNY ________|
                         | (1132 - 1162)          |
                         |                        |_Ida of HAINAUT ________
                         |                                                 
 _Roger IV of TOSNY _____|
| (1160 - 1208)          |
|                        |                         _Robert II of BEAUMONT _+
|                        |                        | (1104 - 1168) m 1120   
|                        |_Margaret of BEAUMONT __|
|                          (1125 - 1185)          |
|                                                 |_Amice of GAEL _________
|                                                   (1108 - 1168) m 1120   
|
|--Raoul V of TOSNY 
|  (1189 - 1239)
|                                                  _Roscelin of BEAUMONT __+
|                                                 | (1095 - 1145)          
|                         _Richard I of BEAUMONT _|
|                        | (1138 - 1201)          |
|                        |                        |_Constance of NORMANDY _+
|                        |                                                 
|_Constance of BEAUMONT _|
  (1170 - 1226)          |
                         |                         _Richer II of LAIGLE ___
                         |                        |                        
                         |_Luce of LAIGLE ________|
                                                  |
                                                  |________________________