_Bolko I PIAST ________+
                                                              | (1258 - 1313)         
                                 _Bolko II PIAST _____________|
                                | (1300 - 1356)               |
                                |                             |_Agnes of ASCANIA _____+
                                |                                                     
 _Vladislaus II Opolczyk PIAST _|
| (1332 - 1401)                 |
|                               |                              _Bernard PIAST ________+
|                               |                             | (1291 - 1326)         
|                               |_Elisabeth of PIAST _________|
|                                                             |
|                                                             |_Kunigunde of PIAST ___+
|                                                               (1298 - 1331)         
|
|--Katharina of PIAST 
|  
|                                                              _Basarab I BASARAB ____+
|                                                             | (1314 - 1351)         
|                                _Nicholas Alexander BASARAB _|
|                               | (.... - 1364)               |
|                               |                             |_Margarete of UNKNOWN _
|                               |                                                     
|_Elisabeth of BASARAB _________|
  (1340 - 1369)                 |
                                |                              _______________________
                                |                             |                       
                                |_Clara DOBOKAI ______________|
                                                              |
                                                              |_______________________