_William III POITIERS ____+
                                             | (0915 - 0963) m 0935     
                       _William IV POITIERS _|
                      | (0937 - 0993)        |
                      |                      |_Gerloc of NORMANDY ______+
                      |                        (0912 - 0962) m 0935     
 _William V POITIERS _|
| (0969 - 1029)       |
|                     |                       _Theobald I BLOIS ________+
|                     |                      | (0913 - 0975)            
|                     |_Emma of BLOIS _______|
|                       (0950 - 1003)        |
|                                            |_Luitgarde of HERBERTIAN _+
|                                              (0915 - 0978)            
|
|--William VII POITIERS 
|  (1023 - 1058)
|                                             _Adalbert II IVREA _______+
|                                            | (0932 - 0971)            
|                      _Otto-William IVREA __|
|                     | (0955 - 1026)        |
|                     |                      |_Gerberga OF MâCON ______+
|                     |                                                 
|_Agnes of IVREA _____|
  (.... - 1068)       |
                      |                       _Renaud of ROUCY _________
                      |                      | (0920 - 0967)            
                      |_Ermentrude DE ROUCY _|
                        (0958 - 1005)        |
                                             |_Alberade of REGINAR _____+