_William I IVREA ____+
                                                   | (1020 - 1087)       
                              _Stephen I IVREA ____|
                             | (1065 - 1102)       |
                             |                     |_Stephanie LNU ______
                             |                                           
 _William III IVREA _________|
| (1088 - 1156)              |
|                            |                      _Gerhard METZ _______+
|                            |                     | (1030 - 1070)       
|                            |_Beatrice of METZ ___|
|                              (.... - 1116)       |
|                                                  |_Hedwige of NAMUR ___+
|                                                                        
|
|--Stephen II of IVREA 
|  (.... - 1173)
|                                                   _____________________
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|                             _____________________|
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|                            |                                           
|_Adelaide-Pontia of TRAVES _|
                             |
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