_Reginald I IVREA _____________+
                                            | (0986 - 1057)                 
                       _William I IVREA ____|
                      | (1020 - 1087)       |
                      |                     |_Alice of NORMANDY ____________+
                      |                                                     
 _Stephen I IVREA ____|
| (1065 - 1102)       |
|                     |                      _______________________________
|                     |                     |                               
|                     |_Stephanie LNU ______|
|                                           |
|                                           |_______________________________
|                                                                           
|
|--William III IVREA 
|  (1088 - 1156)
|                                            _Gerhard METZ _________________+
|                                           | (0985 - 1045)                 
|                      _Gerhard METZ _______|
|                     | (1030 - 1070)       |
|                     |                     |_Gisella of UNKNOWN ___________
|                     |                                                     
|_Beatrice of METZ ___|
  (.... - 1116)       |
                      |                      _Albert II NAMUR ______________+
                      |                     | (.... - 1067) m 1010          
                      |_Hedwige of NAMUR ___|
                                            |
                                            |_Regelinde of ARDENNES-VERDUN _+
                                              (.... - 1067) m 1010