_Otto V WELF ______________+
                                             | (1439 - 1470) m 1467      
                       _Henry WELF __________|
                      | (1468 - 1531)        |
                      |                      |_Anna of NASSAU-SIEGEN ____+
                      |                        (1441 - 1514) m 1467      
 _Otto I WELF ________|
| (1495 - 1549)       |
|                     |                       _Ernest WETTIN ____________+
|                     |                      | (1440 - 1486)             
|                     |_Margarete of WETTIN _|
|                       (1469 - 1528)        |
|                                            |_Elisabeth of WITTELSBACH _+
|                                              (1442 - 1483)             
|
|--Otto WELF 
|  (1527 - ....)
|                                             ___________________________
|                                            |                           
|                      ______________________|
|                     |                      |
|                     |                      |___________________________
|                     |                                                  
|_Meta VON CAMPE _____|
  (.... - 1580)       |
                      |                       ___________________________
                      |                      |                           
                      |______________________|
                                             |
                                             |___________________________