_Egbert BILLUNG _________+
                                                 | (0855 - 0932)           
                       _Billung of BILLUNG ______|
                      | (0880 - 0967)            |
                      |                          |_________________________
                      |                                                    
 _Wichmann BILLUNG ___|
| (0900 - 0944)       |
|                     |                           _________________________
|                     |                          |                         
|                     |_Ermangarde of NANTES ____|
|                                                |
|                                                |_________________________
|                                                                          
|
|--Egbert BILLUNG 
|  (.... - 0994)
|                                                 _Reginbern ODONEN _______+
|                                                |                         
|                      _Dietrich of IMMEDINGIAN _|
|                     | (0858 - 0916)            |
|                     |                          |_Mathilde of UNKNOWN ____
|                     |                                                    
|_Bia of IMMEDINGIAN _|
                      |
                      |                           _Lothair II CAROLINGIAN _+
                      |                          | (0835 - 0869)           
                      |_Gisela of CAROLINGIAN ___|
                        (0865 - 0908)            |
                                                 |_Waldrada of ETICHO _____
                                                   (0840 - 0869)