_William IV POITIERS _+
                                                | (0937 - 0993)        
                           _William V POITIERS _|
                          | (0969 - 1029)       |
                          |                     |_Emma of BLOIS _______+
                          |                       (0950 - 1003)        
 _William VIII POITIERS __|
| (1025 - 1086)           |
|                         |                      _Otto-William IVREA __+
|                         |                     | (0955 - 1026)        
|                         |_Agnes of IVREA _____|
|                           (.... - 1068)       |
|                                               |_Ermentrude DE ROUCY _+
|                                                 (0958 - 1005)        
|
|--William IX POITIERS 
|  (1071 - 1126)
|                                                _Robert II CAPET _____+
|                                               | (0972 - 1031)        
|                          _Robert I CAPET _____|
|                         | (1011 - 1075)       |
|                         |                     |_Constance of ARLES __+
|                         |                       (0986 - 1032)        
|_Hildegarde of BURGUNDY _|
  (1056 - 1104)           |
                          |                      ______________________
                          |                     |                      
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