_Ralph of WARENNE ___
                                               | (0998 - 1074)       
                         _Ralph II of WARENNE _|
                        | (1012 - 1074)        |
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                        |                                            
 _William I of WARENNE _|
| (1035 - 1088) m 1070  |
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|                       |_Emma of UNKNOWN _____|
|                                              |
|                                              |_____________________
|                                                                    
|
|--William II of WARENNE 
|  (1071 - 1138)
|                                               _____________________
|                                              |                     
|                        ______________________|
|                       |                      |
|                       |                      |_____________________
|                       |                                            
|_Gundred of FLANDERS __|
  (.... - 1085) m 1070  |
                        |                       _____________________
                        |                      |                     
                        |______________________|
                                               |
                                               |_____________________