_Albert I WELF ____________+
                                                     | (1236 - 1279)             
                                _Henry I WELF _______|
                               | (1267 - 1322) m 1282|
                               |                     |_Adelheid of ALERAMICI ____
                               |                       (1242 - 1285)             
 _Ernest I WELF _______________|
| (1297 - 1360) m 1335         |
|                              |                      _Albert II WETTIN _________+
|                              |                     | (1240 - 1314)             
|                              |_Agnes of WETTIN ____|
|                                (1264 - 1332) m 1282|
|                                                    |_Margaret of HOHENSTAUFEN _+
|                                                      (1241 - 1270)             
|
|--Frederick I WELF 
|  (1350 - 1421)
|                                                     ___________________________
|                                                    |                           
|                               _____________________|
|                              |                     |
|                              |                     |___________________________
|                              |                                                 
|_Adelheid of EVERSTEIN-POLLE _|
  (.... - 1373) m 1335         |
                               |                      ___________________________
                               |                     |                           
                               |_____________________|
                                                     |
                                                     |___________________________