_____________________
                                              |                     
                       _Bertrand III of BAUX _|
                      | (1295 - 1347) m 1324  |
                      |                       |_____________________
                      |                                             
 _Francis I of BAUX __|
| (1330 - 1422) m 1381|
|                     |                        _____________________
|                     |                       |                     
|                     |_Marguerite of AULNAY _|
|                        m 1324               |
|                                             |_____________________
|                                                                   
|
|--William of BAUX 
|  
|                                              _Roberto ORSINI _____+
|                                             | (1294 - 1344)       
|                      _Nicolo ORSINI ________|
|                     | (1331 - 1398)         |
|                     |                       |_Sibylle of BAUX ____
|                     |                         (.... - 1375)       
|_Sueva ORSINI _______|
   m 1381             |
                      |                        _____________________
                      |                       |                     
                      |_Jeanne of GORIZIA ____|
                        (1322 - 1379)         |
                                              |_____________________