_William IX POITIERS __+
                                                     | (1071 - 1126)         
                           _Raymond POITIERS ________|
                          | (1099 - 1149)            |
                          |                          |_Philippa of ROUERGUE _+
                          |                            (1073 - 1118)         
 _Bohemond III POITIERS __|
| (1148 - 1201)           |
|                         |                           _______________________
|                         |                          |                       
|                         |_Constance of HAUTEVILLE _|
|                           (1128 - 1163)            |
|                                                    |_______________________
|                                                                            
|
|--Raymond IV POITIERS 
|  (1170 - 1199)
|                                                     _______________________
|                                                    |                       
|                          __________________________|
|                         |                          |
|                         |                          |_______________________
|                         |                                                  
|_Orgueilleuse of HARENC _|
  (.... - 1175)           |
                          |                           _______________________
                          |                          |                       
                          |__________________________|
                                                     |
                                                     |_______________________