_Otto I WELF ________+
                                               | (1204 - 1252) m 1228
                       _Albert I WELF _________|
                      | (1236 - 1279)          |
                      |                        |_Matilda of ASCANIA _+
                      |                          (1210 - 1261) m 1228
 _Henry I WELF _______|
| (1267 - 1322) m 1282|
|                     |                         _____________________
|                     |                        |                     
|                     |_Adelheid of ALERAMICI _|
|                       (1242 - 1285)          |
|                                              |_____________________
|                                                                    
|
|--Ernest I WELF 
|  (1297 - 1360)
|                                               _____________________
|                                              |                     
|                      ________________________|
|                     |                        |
|                     |                        |_____________________
|                     |                                              
|_Agnes of WETTIN ____|
  (1264 - 1332) m 1282|
                      |                         _____________________
                      |                        |                     
                      |________________________|
                                               |
                                               |_____________________