_Reginald I IVREA ___+
                                            | (0986 - 1057)       
                       _William I IVREA ____|
                      | (1020 - 1087)       |
                      |                     |_Alice of NORMANDY __+
                      |                                           
 _Reginald II IVREA __|
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|                     |_Stephanie LNU ______|
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|
|--William II IVREA 
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