_Hugh I CHÂTILLON ________+
                                                   | (1197 - 1248)             
                          _Guy III CHÂTILLON _____|
                         | (.... - 1289) m 1254    |
                         |                         |_Margaret of BLOIS ________+
                         |                           (1170 - 1230)             
 _Hugh II CHÂTILLON ____|
| (.... - 1307) m 1287   |
|                        |                          _Henry II REGINAR _________+
|                        |                         | (1207 - 1247)             
|                        |_Matilda of REGINAR _____|
|                          (1224 - 1288) m 1254    |
|                                                  |_Marie of HOHENSTAUFEN ____+
|                                                    (1201 - 1235)             
|
|--Guy I CHÂTILLON 
|  (.... - 1342)
|                                                   _William II DAMPIERRE _____+
|                                                  | (1196 - 1231) m 1223      
|                         _Guy DAMPIERRE __________|
|                        | (1226 - 1304)           |
|                        |                         |_Margaret II of FLANDERS __+
|                        |                           (1202 - 1279) m 1223      
|_Beartice of DAMPIERRE _|
  (.... - 1307) m 1287   |
                         |                          _Henry V LUXEMBOURG _______+
                         |                         | (1216 - 1281) m 1240      
                         |_Isabelle of LUXEMBOURG _|
                           (1247 - 1298)           |
                                                   |_Margaret of MONTBÉLIARD _+
                                                     (1220 - 1275) m 1240