_Baldwin IV FLANDERS __________+
                                                | (0980 - 1035)                 
                        _Baldwin V FLANDERS ____|
                       | (1001 - 1067) m 1028   |
                       |                        |_Ogive of ARDENNES-LUXEMBOURG _+
                       |                          (0985 - 1029)                 
 _Robert I FLANDERS ___|
| (1035 - 1093)        |
|                      |                         _Robert II CAPET ______________+
|                      |                        | (0972 - 1031)                 
|                      |_Adela of CAPET ________|
|                        (1009 - 1078) m 1028   |
|                                               |_Constance of ARLES ___________+
|                                                 (0986 - 1032)                 
|
|--Adela of FLANDERS 
|  (1064 - 1115)
|                                                _Bernard I BILLUNG ____________+
|                                               | (0950 - 1010)                 
|                       _Bernard II BILLUNG ____|
|                      | (0995 - 1059)          |
|                      |                        |_Hildegarde of STADE __________
|                      |                                                        
|_Gertrude of BILLUNG _|
  (1030 - 1113)        |
                       |                         _Henry SCHWEINFURT ____________
                       |                        | (0970 - 1017)                 
                       |_Eilika of SCHWEINFURT _|
                         (1005 - 1059)          |
                                                |_Gerberga of CONRADINE ________+
                                                  (0970 - 1036)