_______________________________
                                                            |                               
                              _Ulrich I WÜRTTEMBERG _______|
                             | (1226 - 1264) m 1260         |
                             |                              |_______________________________
                             |                                                              
 _Eberhard I WÜRTTEMBERG ___|
| (1264 - 1325)              |
|                            |                               _______________________________
|                            |                              |                               
|                            |_Agnes of PIAST ______________|
|                              (1243 - 1264) m 1260         |
|                                                           |_______________________________
|                                                                                           
|
|--Ulrich III WÜRTTEMBERG 
|  (1286 - 1344)
|                                                            _Matthais II ARDENNES-METZ ____+
|                                                           | (1193 - 1250) m 1225          
|                             _Frederick III ARDENNES-METZ _|
|                            | (1240 - 1302)                |
|                            |                              |_Catherine of ARDENNES-VERDUN _+
|                            |                                (1215 - 1255) m 1225          
|_Margaret of ARDENNES-METZ _|
                             |
                             |                               _______________________________
                             |                              |                               
                             |_Margaret of BLOIS ___________|
                                                            |
                                                            |_______________________________