_Louis I WITTELSBACH _+
                                               | (1229 - 1293)        
                        _Louis IV WITTELSBACH _|
                       | (1282 - 1347)         |
                       |                       |_Matilda of HABSBURG _+
                       |                         (1253 - 1304)        
 _Louis V WITTELSBACH _|
| (1315 - 1361)        |
|                      |                        _Bolko I PIAST _______+
|                      |                       | (1252 - 1301)        
|                      |_Beatrice of PIAST ____|
|                        (1290 - 1322)         |
|                                              |_Beatrice of ASCANIA _+
|                                                (1270 - 1316)        
|
|--Hermann WITTELSBACH 
|  (1343 - 1360)
|                                               ______________________
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|                      |                       |
|                      |                       |______________________
|                      |                                              
|_Margaret of GORIZIA _|
  (1318 - 1369)        |
                       |                        ______________________
                       |                       |                      
                       |_______________________|
                                               |
                                               |______________________