_Theobald BLOIS _________________
                                                 | (0890 - 0940)                   
                       _Theobald I BLOIS ________|
                      | (0913 - 0977) m 0943     |
                      |                          |_Richende of BOURGES ____________
                      |                                                            
 _Odo I of BLOIS _____|
| (0950 - 0995)       |
|                     |                           _Herbert II HERBERTIAN __________+
|                     |                          | (0884 - 0942)                   
|                     |_Luitgarde of HERBERTIAN _|
|                       (0915 - 0978) m 0943     |
|                                                |_Adele of ROBERTIAN _____________+
|                                                                                  
|
|--Robert BLOIS 
|  (.... - 0980)
|                                                 _Rudolph II WELF ________________+
|                                                | (0887 - 0937) m 0922            
|                      _Conrad I WELF ___________|
|                     | (0925 - 0993)            |
|                     |                          |_Bertha of HUNFRIDING ___________+
|                     |                            (0907 - 0965) m 0922            
|_Bertha of WELF _____|
  (0964 - 1009)       |
                      |                           _Louis IV of France CAROLINGIAN _+
                      |                          | (0920 - 0954)                   
                      |_Matilda of CAROLINGIAN __|
                        (0943 - 0981)            |
                                                 |_Gerberga of OTTONIAN ___________+
                                                   (0913 - 0984)