_Robert IV ROBERTIAN ______________+
                                                  | (0830 - 0866)                     
                        _Robert I ROBERTIAN ______|
                       | (0866 - 0923)            |
                       |                          |_Adelaide of ETICHO _______________+
                       |                            (0820 - 0866)                     
 _Hugh ROBERTIAN ______|
| (0898 - 0956)        |
|                      |                           _Herbert I CAROLINGIAN ____________+
|                      |                          | (0848 - 0907)                     
|                      |_Beatrice of CAROLINGIAN _|
|                        (0880 - 0931)            |
|                                                 |_Bertha of MATFRIEDE ______________
|                                                   (.... - 0916)                     
|
|--Beatrice of ROBERTIAN 
|  (0938 - 1003)
|                                                  _Otto I OTTONIAN __________________+
|                                                 | (0851 - 0912)                     
|                       _Henry OTTONIAN __________|
|                      | (0876 - 0936)            |
|                      |                          |_Hedwiga of BABENBERG _____________+
|                      |                            (0850 - 0903)                     
|_Hedwige of OTTONIAN _|
  (0910 - 0958)        |
                       |                           _Dietrich of IMMEDINGIAN __________+
                       |                          | (0858 - 0916) m 0900              
                       |_Matilda of IMMEDINGIAN __|
                         (0894 - 0967)            |
                                                  |_Reginhilde Ludmilla of FRIESLAND _
                                                    (0858 - 0917) m 0900