_Theobald III BLOIS _____+
                                                     | (1012 - 1089)           
                          _Stephen Henry BLOIS ______|
                         | (1045 - 1102)             |
                         |                           |_Gersent of LE MANS _____
                         |                                                     
 _Stephen BLOIS _________|
| (1092 - 1154)          |
|                        |                            _William I NORMANDY _____+
|                        |                           | (1028 - 1087) m 1051    
|                        |_Adela of NORMANDY ________|
|                          (1067 - 1136)             |
|                                                    |_Matilda of FLANDERS ____+
|                                                      (1031 - 1083) m 1051    
|
|--Marie of BLOIS 
|  (1136 - 1182)
|                                                     _Eustace II FLANDERS ____+
|                                                    |  m 1049                 
|                         _Eustace III FLANDERS _____|
|                        | (1058 - 1125)             |
|                        |                           |_Ida of ARDENNES-VERDUN _+
|                        |                             (1040 - 1113) m 1049    
|_Matilda I of BOULOGNE _|
  (1105 - 1152)          |
                         |                            _Malcom III DUNKELD _____+
                         |                           | (1031 - 1093)           
                         |_Mary of Scotland DUNKELD _|
                           (1082 - 1116)             |
                                                     |_Margaret of WESSEX _____+
                                                       (1045 - 1093)