_Gautier II of BRIENNE ___________+
                                                   |                                  
                       _Érard II of BRIENNE ______|
                      | (.... - 1190)              |
                      |                            |_Adèle of BAUDEMONT _____________+
                      |                                                               
 _John I BRIENNE _____|
| (1170 - 1236) m 1210|
|                     |                             _Amadeus II of MONTFAUCON ________
|                     |                            |                                  
|                     |_Agnes of MONTFAUCON _______|
|                                                  |
|                                                  |_Béatrice of GRANDSON-JOINVILLE _
|                                                                                     
|
|--Isabella II BRIENNE 
|  (1212 - 1228)
|                                                   _William V ALERAMICI _____________+
|                                                  | (1115 - 1191) m 1133             
|                      _Conrad ALERAMICI __________|
|                     | (.... - 1192) m 1190       |
|                     |                            |_Judith of BABENBERG _____________+
|                     |                              (1115 - 1168) m 1133             
|_Maria of ALERAMICI _|
  (1192 - 1212) m 1210|
                      |                             _Amalric CHÂTEAUDUN _____________+
                      |                            | (1136 - 1174)                    
                      |_Isabella I of CHÂTEAUDUN _|
                        (1172 - 1205) m 1190       |
                                                   |_Maria of KOMNENOS _______________+
                                                     (1154 - 1217)