_Henry III ARDENNES-VERDUN __+
                                                           | (1140 - 1221)               
                             _Waleran III ARDENNES-VERDUN _|
                            | (1165 - 1226) m 1214         |
                            |                              |_Sophia of SAARBRÜCKEN _____
                            |                                                            
 _Henry V LUXEMBOURG _______|
| (1216 - 1281) m 1240      |
|                           |                               _Henry IV NAMUR _____________+
|                           |                              | (1112 - 1196)               
|                           |_Ermesinde of NAMUR __________|
|                             (1186 - 1246) m 1214         |
|                                                          |_Agnes of WASSENBERG ________
|                                                                                        
|
|--Isabelle of LUXEMBOURG 
|  (1247 - 1298)
|                                                           _Theobald I MONTBÉLIARD ____+
|                                                          | (1158 - 1238)               
|                            _Henry II MONTBÉLIARD _______|
|                           | (1190 - 1239)                |
|                           |                              |_Ermesinde of BAR-SUR-SEINE _
|                           |                                                            
|_Margaret of MONTBÉLIARD _|
  (1220 - 1275) m 1240      |
                            |                               _Robert II DREUX ____________+
                            |                              | (1154 - 1218)               
                            |_Philippa of DREUX ___________|
                                                           |
                                                           |_Yolanda of COUCY ___________