_Walter III CHÂTILLON _+
                                               | (1166 - 1219)          
                       _Hugh I CHÂTILLON _____|
                      | (1197 - 1248)          |
                      |                        |_Elizabeth CANDAVÈNE __
                      |                          (1180 - 1240)          
 _Guy III CHÂTILLON _|
| (.... - 1289) m 1254|
|                     |                         _Theobald V BLOIS ______+
|                     |                        | (1130 - 1190)          
|                     |_Margaret of BLOIS _____|
|                       (1170 - 1230)          |
|                                              |_Alix of CAPET _________+
|                                                (1151 - 1198)          
|
|--Beatrice of CHÂTILLON 
|  
|                                               _Henry I REGINAR _______+
|                                              | (1165 - 1235)          
|                      _Henry II REGINAR ______|
|                     | (1207 - 1247)          |
|                     |                        |_Matilda of METZ _______+
|                     |                          (1170 - 1210)          
|_Matilda of REGINAR _|
  (1224 - 1288) m 1254|
                      |                         _Philip HOHENSTAUFEN ___+
                      |                        | (1177 - 1208)          
                      |_Marie of HOHENSTAUFEN _|
                        (1201 - 1235)          |
                                               |_Irene ANGELOS _________+
                                                 (1181 - 1181)