_Manfred II DEL VASTO __+
                                                 |                        
                          _Boniface DEL VASTO ___|
                         |                       |
                         |                       |_Adelasia of ALERAMICI _+
                         |                         (.... - 1232)          
 _Manfred III DEL VASTO _|
| (.... - 1244)          |
|                        |                        ________________________
|                        |                       |                        
|                        |_Maria of TORRES ______|
|                                                |
|                                                |________________________
|                                                                         
|
|--Thomas I DEL VASTO 
|  (1239 - 1296)
|                                                 _Thomas I SAVOY ________+
|                                                | (1178 - 1232)          
|                         _Amadeus IV SAVOY _____|
|                        | (1197 - 1253)         |
|                        |                       |_Margaret of GENEVA ____
|                        |                         (1179 - 1258)          
|_Beatrice of SAVOY _____|
  (1222 - 1259)          |
                         |                        _Hugh III BURGUNDY _____+
                         |                       | (1142 - 1192)          
                         |_Margaret of BURGUNDY _|
                           (1192 - 1243)         |
                                                 |_Beatrice of ALBON _____+
                                                   (1161 - 1228)