_William III IVREA _________+
                                             | (1088 - 1156)              
                       _Stephen II of IVREA _|
                      | (.... - 1173)        |
                      |                      |_Adelaide-Pontia of TRAVES _
                      |                                                   
 _Stephen III IVREA __|
| (.... - 1241)       |
|                     |                       _Matthias I METZ ___________+
|                     |                      | (1119 - 1176)              
|                     |_Judith of METZ ______|
|                       (.... - 1173)        |
|                                            |_Bertha of HOHENSTAUFEN ____+
|                                              (1123 - 1195)              
|
|--John IVREA 
|  (1190 - 1267)
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|_Beatrix of CHALON __|
                      |
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                      |                      |                            
                      |______________________|
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