_Simon I METZ ________________+
                                                              | (1076 - 1138)                
                                     _Matthias I METZ ________|
                                    | (1119 - 1176)           |
                                    |                         |_Adelaide of REGINAR _________+
                                    |                           (.... - 1158)                
 _Frederick I METZ _________________|
| (1143 - 1206)                     |
|                                   |                          _Frederick II HOHENSTAUFEN ___+
|                                   |                         | (1090 - 1147)                
|                                   |_Bertha of HOHENSTAUFEN _|
|                                     (1123 - 1195)           |
|                                                             |_Judith of WELF ______________+
|                                                               (1100 - 1130)                
|
|--Cunigunda of METZ 
|  (.... - 1213)
|                                                              _Boleslaw III Wrymouth PIAST _+
|                                                             | (1086 - 1138)                
|                                    _Mieszko III PIAST ______|
|                                   | (1126 - 1201)           |
|                                   |                         |_Salomea of BERG _____________
|                                   |                                                        
|_Wierzchosława Ludmilla of PIAST _|
  (1153 - 1223)                     |
                                    |                          _Béla II ÁRPÁD ____________+
                                    |                         | (1109 - 1140)                
                                    |_Elizabeth of ÁRPÁD ___|
                                                              |
                                                              |_Helena of VUKANOVIĆ ________+
                                                                (1109 - 1146)