_Louis VI CAPET ________+
                                                 | (1081 - 1137)          
                        _Peter I of CAPET _______|
                       | (1126 - ....) m 1150    |
                       |                         |_Adelaide of SAVOY _____+
                       |                           (1092 - 1154)          
 _Robert of COURTENAY _|
| (1168 - 1239)        |
|                      |                          _Reginald of COURTENAY _+
|                      |                         | (.... - 1160)          
|                      |_Elizabeth of COURTENAY _|
|                        (1127 - 1205) m 1150    |
|                                                |_Helvise of DONJON _____
|                                                                         
|
|--Isabelle of COURTENAY 
|  (1219 - 1256)
|                                                 ________________________
|                                                |                        
|                       _________________________|
|                      |                         |
|                      |                         |________________________
|                      |                                                  
|_Mathilde of MEHUN ___|
  (1195 - 1240)        |
                       |                          ________________________
                       |                         |                        
                       |_________________________|
                                                 |
                                                 |________________________