_Siegfried I ASCANIA _____________+
                                            | (1230 - 1298) m 1259             
                       _Albert I ASCANIA ___|
                      | (.... - 1316) m 1300|
                      |                     |_Catherine Birgersdotter BJÄLBO _+
                      |                        m 1259                          
 _Albert II ASCANIA __|
| (.... - 1362) m 1336|
|                     |                      _Conrad ASCANIA __________________+
|                     |                     | (1240 - 1304)                    
|                     |_Agnes of ASCANIA ___|
|                       (.... - 1330) m 1300|
|                                           |_Constance of PIAST ______________+
|                                             (1245 - 1281)                    
|
|--John II ASCANIA 
|  (.... - 1382)
|                                            _Albert II ASCANIA _______________+
|                                           | (1250 - 1298)                    
|                      _Rudolf I ASCANIA ___|
|                     | (1284 - 1355) m 1298|
|                     |                     |_Agnes of HABSBURG _______________+
|                     |                       (1257 - 1322)                    
|_Beatrix of ASCANIA _|
  (.... - 1344) m 1336|
                      |                      _Otto V ASCANIA __________________+
                      |                     | (1246 - 1298)                    
                      |_Judith of ASCANIA __|
                        (.... - 1328) m 1298|
                                            |_Judith of HENNEBERG-COBURG ______