_Bogislaw I GRIFFIN ________+
                                                | (1130 - 1186) m 1177       
                       _Bogislaw II GRIFFIN ____|
                      | (1177 - 1219)           |
                      |                         |_Anastasia of PIAST ________+
                      |                           (1164 - 1240) m 1177       
 _Barnim I GRIFFIN ___|
| (1217 - 1278) m 1267|
|                     |                          ____________________________
|                     |                         |                            
|                     |_Miroslawa of SOBIESLAW _|
|                                               |
|                                               |____________________________
|                                                                            
|
|--Beatrix of GRIFFIN 
|  (.... - 1315)
|                                                _Albert II ASCANIA _________+
|                                               | (1177 - 1219) m 1205       
|                      _Otto III ASCANIA _______|
|                     | (1215 - 1267)           |
|                     |                         |_Matilda of WETTIN _________+
|                     |                           (1185 - 1225) m 1205       
|_Matilda of ASCANIA _|
  (1255 - 1316) m 1267|
                      |                          _Wenceslaus I PŘEMYSLID ___+
                      |                         | (1205 - 1253)              
                      |_Beatrice of PŘEMYSLID _|
                        (1225 - 1290)           |
                                                |_Kunigunde of HOHENSTAUFEN _+
                                                  (1201 - 1248)