_Hugh CHÂTEAUDUN __________+
                                                     | (0975 - 1046)              
                          _Geoffrey II CHÂTEAUDUN __|
                         | (1000 - 1045)             |
                         |                           |_Beatrice of MÂCON ________
                         |                             (0968 - 1040)              
 _Fulk IV CHÂTEAUDUN ___|
| (1043 - 1109) m 1070   |
|                        |                            _Fulk III INGELGER _________+
|                        |                           | (0970 - 1040) m 1005       
|                        |_Ermengarde of INGELGER ___|
|                          (1017 - 1075)             |
|                                                    |_Hildegard of ARDENNES-BAR _+
|                                                      (.... - 1046) m 1005       
|
|--Geoffrey IV Martel CHÂTEAUDUN 
|  (1070 - 1106)
|                                                     _Archambaud III of BOURBON _+
|                                                    | (0995 - 1064)              
|                         _Archambaud IV of BOURBON _|
|                        | (1030 - 1095)             |
|                        |                           |_Biletrude of UNKNOWN ______
|                        |                             (1000 - ....)              
|_Ermengarde of BOURBON _|
  (1049 - 1125) m 1070   |
                         |                            _William V of AUVERGNE _____+
                         |                           | (1000 - 1059)              
                         |_Philippina of AUVERGNE ___|
                                                     |
                                                     |_Philippa of GÉVAUDAN _____+