_Giovanni ORSINI __________+
                                                        |                           
                        _Carlo ORSINI __________________|
                       | (1388 - ....)                  |
                       |                                |_Bartolomea SPINELLI ______
                       |                                                            
 _Napoleone II ORSINI _|
| (1420 - 1480)        |
|                      |                                 ___________________________
|                      |                                |                           
|                      |_Paolo Gironima of TAGLIACOZZO _|
|                                                       |
|                                                       |___________________________
|                                                                                   
|
|--Gentile Virginio ORSINI 
|  (1434 - 1496)
|                                                        _Francesco ORSINI _________+
|                                                       | (1353 - 1404)             
|                       _Orso ORSINI ___________________|
|                      | (1372 - 1424)                  |
|                      |                                |_Constanza ALDOBRANDESCHI _
|                      |                                  (1358 - ....)             
|_Francesca ORSINI ____|
                       |
                       |                                 ___________________________
                       |                                |                           
                       |_Lucrezia of CONTI _____________|
                         (1375 - 1427)                  |
                                                        |___________________________