_Conrad II WELF ____________+
                                                  | (.... - 0876)              
                         _Rudolf I WELF __________|
                        | (0859 - 0912)           |
                        |                         |_Waldrada of UDALRICHING ___+
                        |                           (0801 - ....)              
 _Rudolph II WELF ______|
| (0887 - 0937) m 0922  |
|                       |                          _Boso BIVINID ______________+
|                       |                         |                            
|                       |_Guilla of BIVINID ______|
|                         (0873 - 0924)           |
|                                                 |_Ermengarde of CAROLINGIAN _+
|                                                   (0852 - 0897)              
|
|--Conrad I WELF 
|  (0925 - 0993)
|                                                  _Burchard I HUNFRIDING _____+
|                                                 | (0850 - 0911)              
|                        _Burchard II HUNFRIDING _|
|                       | (0883 - 0926)           |
|                       |                         |_Luitgard of OTTONIAN ______+
|                       |                           (0840 - 0885)              
|_Bertha of HUNFRIDING _|
  (0907 - 0965) m 0922  |
                        |                          ____________________________
                        |                         |                            
                        |_Regelinda of ZÜRICH ___|
                          (0889 - 0955)           |
                                                  |____________________________