_William NORMANDY ________+
                                                          | (0893 - 0942)            
                        _Richard I NORMANDY ______________|
                       | (0932 - 0996)                    |
                       |                                  |_Sprota of UNKNOWN _______
                       |                                                             
 _Richard II NORMANDY _|
| (0980 - 1026)        |
|                      |                                   __________________________
|                      |                                  |                          
|                      |_Gunnor of UNKNOWN _______________|
|                        (0936 - 1030)                    |
|                                                         |__________________________
|                                                                                    
|
|--Robert I NORMANDY 
|  (1000 - 1035)
|                                                          _Judicael RENNES _________
|                                                         |                          
|                       _Conan I RENNES __________________|
|                      | (.... - 0992)                    |
|                      |                                  |__________________________
|                      |                                                             
|_Judith of BRITTANY __|
                       |
                       |                                   _Geoffrey I INGELGER _____+
                       |                                  | (0938 - 0987)            
                       |_Ermengarde-Gerberga of INGELGER _|
                         (0956 - 1024)                    |
                                                          |_Adélaide of HERBERTIAN _+
                                                            (0934 - 0982)