_William II WEIMAR ____________+
                                                | (0930 - 1003)                 
                       _William III WEIMAR _____|
                      | (.... - 1039)           |
                      |                         |_______________________________
                      |                                                         
 _Otto I WEIMAR ______|
| (.... - 1067)       |
|                     |                          _Thietmar IV of SAXON-OSTMARK _
|                     |                         |                               
|                     |_Oda of SAXON-OSTMARK ___|
|                                               |
|                                               |_______________________________
|                                                                               
|
|--Adelaide of WEIMAR 
|  (1055 - 1100)
|                                                _Lambert I REGINAR ____________+
|                                               | (0950 - 1015)                 
|                      _Lambert II REGINAR _____|
|                     | (.... - 1054)           |
|                     |                         |_Gerberga of CAROLINGIAN ______+
|                     |                           (0975 - 1018)                 
|_Adela of REGINAR ___|
  (.... - 1083)       |
                      |                          _Gothelo I ARDENNES-VERDUN ____+
                      |                         | (0967 - 1044)                 
                      |_Oda of ARDENNES-VERDUN _|
                                                |
                                                |_______________________________