_Magnus I WELF __________+
                                               | (1304 - 1369)           
                        _Magnus II WELF _______|
                       | (1324 - 1373) m 1356  |
                       |                       |_Sophia of ASCANIA ______+
                       |                         (1300 - 1356)           
 _Bernard I WELF ______|
| (1358 - 1434) m 1386 |
|                      |                        _Bernhard III ASCANIA ___+
|                      |                       | (1300 - 1348) m 1328    
|                      |_Catherine of ASCANIA _|
|                        (1330 - 1389) m 1356  |
|                                              |_Agnes of ASCANIA _______+
|                                                (.... - 1337) m 1328    
|
|--Otto IV WELF 
|  (.... - 1446)
|                                               _Rudolf I ASCANIA _______+
|                                              | (1284 - 1355)           
|                       _Wencelas I ASCANIA ___|
|                      | (1337 - 1388)         |
|                      |                       |_Agnes of LINDOW-RUPPIN _
|                      |                                                 
|_Margaret of ASCANIA _|
   m 1386              |
                       |                        _________________________
                       |                       |                         
                       |_Cecilia of CARRARA ___|
                                               |
                                               |_________________________