_William I of BÉTHUNE _+
                                                | (.... - 1138)          
                        _Robert V of BÉTHUNE __|
                       |                        |
                       |                        |________________________
                       |                                                 
 _Baldwin of BÉTHUNE _|
| (.... - 1212)        |
|                      |                         ________________________
|                      |                        |                        
|                      |_Adelaide of SAINT-POL _|
|                                               |
|                                               |________________________
|                                                                        
|
|--Alice of BÉTHUNE 
|  
|                                                _Stephen BLOIS _________+
|                                               | (1070 - 1127)          
|                       _Guillaume BLOIS _______|
|                      | (.... - 1179)          |
|                      |                        |_Hawise of MORTIMER ____
|                      |                          (.... - 1127)          
|_Hawise of BLOIS _____|
  (.... - 1213)        |
                       |                         ________________________
                       |                        |                        
                       |_Cicely of FITZ-DUNCAN _|
                                                |
                                                |________________________