_Ernest I WELF _______________+
                                             | (1297 - 1360) m 1335         
                       _Albert I WELF _______|
                      | (1339 - 1383)        |
                      |                      |_Adelheid of EVERSTEIN-POLLE _
                      |                        (.... - 1373) m 1335         
 _Eric I WELF ________|
| (1383 - 1427)       |
|                     |                       _Magnus II WELF ______________+
|                     |                      | (1324 - 1373) m 1356         
|                     |_Agnes I of WELF _____|
|                       (.... - 1410)        |
|                                            |_Catherine of ASCANIA ________+
|                                              (1330 - 1389) m 1356         
|
|--Albert II WELF 
|  (1419 - 1485)
|                                             _Ernest I WELF _______________+
|                                            | (1305 - 1367)                
|                      _Otto I WELF _________|
|                     | (1330 - 1394)        |
|                     |                      |_Elisabeth of HESSE __________
|                     |                        (1329 - 1366)                
|_Elisabeth of WELF __|
                      |
                      |                       ______________________________
                      |                      |                              
                      |_Margaret of JÜLICH _|
                                             |
                                             |______________________________