_Alphonso BRIENNE ___+
                                                | (1228 - 1270)       
                       _John I of BRIENNE ______|
                      | (1246 - 1294)           |
                      |                         |_Marie of LUSIGNAN __+
                      |                           (1223 - 1260)       
 _John II of BRIENNE _|
| (.... - 1302)       |
|                     |                          _Guy III CHÂTILLON _+
|                     |                         | (.... - 1289) m 1254
|                     |_Beatrice of CHÂTILLON _|
|                                               |
|                                               |_Matilda of REGINAR _+
|                                                 (1224 - 1288) m 1254
|
|--Ralph III of BRIENNE 
|  (.... - 1343)
|                                                _____________________
|                                               |                     
|                      _________________________|
|                     |                         |
|                     |                         |_____________________
|                     |                                               
|_Jeanne of GUINES ___|
  (.... - 1331)       |
                      |                          _____________________
                      |                         |                     
                      |_________________________|
                                                |
                                                |_____________________