A Family Genealogy of
the Gentle House of Stapleton
 
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 _Robert I FLANDERS ___|
| (1035 - 1093)        |
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|--Gertrude of FLANDERS 
|  (1070 - 1117)
|                                                _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)