_Ulrich III WÜRTTEMBERG _+
                                                        | (1286 - 1344)            
                             _Eberhard II WÜRTTEMBERG _|
                            | (1315 - 1391) m 1342      |
                            |                           |_Sofie of PFIRT __________
                            |                                                      
 _Ulrich WÜRTTEMBERG ______|
| (1342 - 1388)             |
|                           |                            __________________________
|                           |                           |                          
|                           |_Elisabeth of HENNEBERG ___|
|                              m 1342                   |
|                                                       |__________________________
|                                                                                  
|
|--Eberhard III WÜRTTEMBERG 
|  (1364 - 1417)
|                                                        _Louis I WITTELSBACH _____+
|                                                       | (1229 - 1293)            
|                            _Louis IV WITTELSBACH _____|
|                           | (1282 - 1347)             |
|                           |                           |_Matilda of HABSBURG _____+
|                           |                             (1253 - 1304)            
|_Elisabeth of WITTELSBACH _|
  (1329 - 1402)             |
                            |                            _William III AVESNES _____+
                            |                           | (1286 - 1337)            
                            |_Margaret II of AVESNES ___|
                              (1311 - 1356)             |
                                                        |_Joan of VALOIS __________+
                                                          (1294 - 1341)