_Louis II HERBERTIAN __________+
                                                | (.... - 1066)                 
                       _Arnold I HERBERTIAN ____|
                      | (.... - 1106)           |
                      |                         |_Sophie of UNKNOWN ____________
                      |                                                         
 _Otto II HERBERTIAN _|
| (1065 - 1131)       |
|                     |                          _______________________________
|                     |                         |                               
|                     |_Adelaide of MONTDIDIER _|
|                                               |
|                                               |_______________________________
|                                                                               
|
|--Frederick HERBERTIAN 
|  (.... - 1124)
|                                                _Albert II NAMUR ______________+
|                                               | (.... - 1067) m 1010          
|                      _Albert III NAMUR _______|
|                     | (1027 - 1102)           |
|                     |                         |_Regelinde of ARDENNES-VERDUN _+
|                     |                           (.... - 1067) m 1010          
|_Adelaide of NAMUR __|
  (1068 - 1124)       |
                      |                          _Bernard II BILLUNG ___________+
                      |                         | (0995 - 1059)                 
                      |_Ida of BILLUNG _________|
                                                |
                                                |_Eilika of SCHWEINFURT ________+
                                                  (1005 - 1059)