_Hermann II HESSE _________+
                                                 | (1342 - 1413)             
                            _Louis I HESSE ______|
                           | (1401 - 1457)       |
                           |                     |_Margaret of HOHENZOLLERN _+
                           |                       (1367 - 1406)             
 _Henry III HESSE-MARBURG _|
| (1440 - 1482) m 1458     |
|                          |                      _Frederick I WETTIN _______+
|                          |                     | (1370 - 1427)             
|                          |_Anna of WETTIN _____|
|                            (1420 - 1462)       |
|                                                |_Catherine of WELF ________+
|                                                  (1395 - 1441)             
|
|--William III HESSE-MARBURG 
|  (1471 - 1499)
|                                                 ___________________________
|                                                |                           
|                           _____________________|
|                          |                     |
|                          |                     |___________________________
|                          |                                                 
|_Anna of KATZENELNBOGEN __|
  (1443 - 1493) m 1458     |
                           |                      ___________________________
                           |                     |                           
                           |_____________________|
                                                 |
                                                 |___________________________