_Bernhard I ASCANIA ______________+
                                               | (1218 - 1287) m 1257             
                         _Bernhard II ASCANIA _|
                        | (1260 - 1323)        |
                        |                      |_Sophie Abelsdatter of ESTRIDSEN _+
                        |                        (1240 - 1284) m 1257             
 _Bernhard III ASCANIA _|
| (1300 - 1348) m 1343  |
|                       |                       _Vitslav II VITSLAV ______________+
|                       |                      | (1240 - 1302)                    
|                       |_Helen of VITSLAV ____|
|                         (1270 - 1315)        |
|                                              |_Agnes of WELF ___________________+
|                                                                                 
|
|--Otto III ASCANIA 
|  (.... - 1403)
|                                               _Albert II WELF __________________+
|                                              | (1268 - 1318)                    
|                        _Magnus I WELF _______|
|                       | (1304 - 1369)        |
|                       |                      |_Rixa of MECKLENBURG _____________+
|                       |                        (1275 - 1317)                    
|_Matilda of WELF ______|
  (.... - 1354) m 1343  |
                        |                       _Henry I ASCANIA _________________+
                        |                      | (1255 - 1317)                    
                        |_Sophia of ASCANIA ___|
                          (1300 - 1356)        |
                                               |_Agnes of WITTELSBACH ____________+
                                                 (1276 - 1345)