_Theoderic II METZ ________+
                                                       | (1055 - 1115) m 1075      
                           _Simon I METZ ______________|
                          | (1076 - 1138)              |
                          |                            |_Hedwig of FORMBACH _______+
                          |                              (1058 - 1090) m 1075      
 _Matthias I METZ ________|
| (1119 - 1176)           |
|                         |                             _Henry III REGINAR ________+
|                         |                            | (.... - 1095) m 1090      
|                         |_Adelaide of REGINAR _______|
|                           (.... - 1158)              |
|                                                      |_Gertrude of FLANDERS _____+
|                                                        (1070 - 1117) m 1090      
|
|--Frederick I METZ 
|  (1143 - 1206)
|                                                       _Frederick I HOHENSTAUFEN _+
|                                                      | (1050 - 1105)             
|                          _Frederick II HOHENSTAUFEN _|
|                         | (1090 - 1147)              |
|                         |                            |_Agnes of SALIAN __________+
|                         |                              (1072 - 1143)             
|_Bertha of HOHENSTAUFEN _|
  (1123 - 1195)           |
                          |                             _Henry IX WELF ____________+
                          |                            | (1075 - 1126)             
                          |_Judith of WELF ____________|
                            (1100 - 1130)              |
                                                       |_Wulfhilde of BILLUNG _____+
                                                         (1072 - 1126)