_Rollo RAGNVALDSSON _+
                                            | (0860 - 0932)       
                       _William NORMANDY ___|
                      | (0893 - 0942)       |
                      |                     |_Poppa of BAYEUX ____
                      |                       (0880 - ....)       
 _Richard I NORMANDY _|
| (0932 - 0996)       |
|                     |                      _____________________
|                     |                     |                     
|                     |_Sprota of UNKNOWN __|
|                                           |
|                                           |_____________________
|                                                                 
|
|--Robert II NORMANDY 
|  (0989 - 1037)
|                                            _____________________
|                                           |                     
|                      _____________________|
|                     |                     |
|                     |                     |_____________________
|                     |                                           
|_Gunnor of UNKNOWN __|
  (0936 - 1030)       |
                      |                      _____________________
                      |                     |                     
                      |_____________________|
                                            |
                                            |_____________________