_Thuringbert of HESBAYE _+
                                                    | (0730 - 0770)           
                            _Robert II ROBERTIAN ___|
                           | (0760 - 0807)          |
                           |                        |_________________________
                           |                                                  
 _Robert III ROBERTIAN ____|
| (0789 - 0833) m 0819     |
|                          |                         _________________________
|                          |                        |                         
|                          |_Theodorata of SACHSEN _|
|                            (0775 - 0795)          |
|                                                   |_________________________
|                                                                             
|
|--Robert IV ROBERTIAN 
|  (0830 - 0866)
|                                                    _Gerold UDALRICHING _____
|                                                   | (0725 - 0799)           
|                           _Adrian UDALRICHING ____|
|                          | (0755 - 0821)          |
|                          |                        |_Emma of AHALOLFING _____+
|                          |                          (0725 - 0799)           
|_Waldrada of UDALRICHING _|
  (0801 - ....) m 0819     |
                           |                         _Adalhelm of WILHELMID __+
                           |                        | (0755 - 0812)           
                           |_Waldrada of WILHELMID _|
                                                    |
                                                    |_________________________