_Albert II ASCANIA _____+
                                                             | (1177 - 1219) m 1205   
                       _John I ASCANIA ______________________|
                      | (1213 - 1266)                        |
                      |                                      |_Matilda of WETTIN _____+
                      |                                        (1185 - 1225) m 1205   
 _Conrad ASCANIA _____|
| (1240 - 1304)       |
|                     |                                       _Valdemar II ESTRIDSEN _+
|                     |                                      | (1170 - 1241)          
|                     |_Sophia of Valdemarsdatter ESTRIDSEN _|
|                       (1217 - 1247)                        |
|                                                            |_Berengaria BURGUNDY ___+
|                                                              (1198 - 1221)          
|
|--Agnes of ASCANIA 
|  (.... - 1330)
|                                                             _Władysław PIAST _____+
|                                                            | (1190 - 1239)          
|                      _Przemysł I PIAST ___________________|
|                     | (1190 - 1257)                        |
|                     |                                      |_Hedwig of UNKNOWN _____
|                     |                                        (.... - 1249)          
|_Constance of PIAST _|
  (1245 - 1281)       |
                      |                                       _Henry II PIAST ________+
                      |                                      | (1196 - 1241)          
                      |_Elisabeth of PIAST __________________|
                        (1232 - 1264)                        |
                                                             |_Anne of PŘEMYSLID ____+
                                                               (1203 - 1265)