_Henry I WELF _______+
                                                       | (1267 - 1322) m 1282
                        _Ernest I WELF ________________|
                       | (1297 - 1360) m 1335          |
                       |                               |_Agnes of WETTIN ____+
                       |                                 (1264 - 1332) m 1282
 _Frederick I WELF ____|
| (1350 - 1421)        |
|                      |                                _____________________
|                      |                               |                     
|                      |_Adelheid of EVERSTEIN-POLLE __|
|                        (.... - 1373) m 1335          |
|                                                      |_____________________
|                                                                            
|
|--Otto II WELF 
|  (1396 - 1452)
|                                                       _Henry IV ASCANIA ___+
|                                                      | (.... - 1374)       
|                       _Bernhard V ASCANIA ___________|
|                      | (.... - 1420)                 |
|                      |                               |_Sophia of STOLBERG _
|                      |                                                     
|_Adelheid of ASCANIA _|
  (.... - 1434)        |
                       |                                _____________________
                       |                               |                     
                       |_Elisabeth of HONSTEIN-KEIBRA _|
                                                       |
                                                       |_____________________