_William I IVREA ______+
                                             | (1020 - 1087)         
                       _Stephen I IVREA _____|
                      | (1065 - 1102)        |
                      |                      |_Stephanie LNU ________
                      |                                              
 _Reginald III IVREA _|
| (1087 - 1148)       |
|                     |                       _Gerhard METZ _________+
|                     |                      | (1030 - 1070)         
|                     |_Beatrice of METZ ____|
|                       (.... - 1116)        |
|                                            |_Hedwige of NAMUR _____+
|                                                                    
|
|--Beatrice I of IVREA 
|  (1143 - 1184)
|                                             _Theoderic II METZ ____+
|                                            | (1055 - 1115) m 1075  
|                      _Simon I METZ ________|
|                     | (1076 - 1138)        |
|                     |                      |_Hedwig of FORMBACH ___+
|                     |                        (1058 - 1090) m 1075  
|_Agatha of METZ _____|
  (1120 - 1147)       |
                      |                       _Henry III REGINAR ____+
                      |                      | (.... - 1095) m 1090  
                      |_Adelaide of REGINAR _|
                        (.... - 1158)        |
                                             |_Gertrude of FLANDERS _+
                                               (1070 - 1117) m 1090