_Pietro TOCCO _________
                                                |                       
                           _Guglielmo TOCCO ____|
                          | (.... - 1335)       |
                          |                     |_______________________
                          |                                             
 _Leonardo I TOCCO _______|
| (.... - 1376)           |
|                         |                      _John I ORSINI ________+
|                         |                     | (.... - 1317)         
|                         |_Margaret ORSINI ____|
|                           (.... - 1339)       |
|                                               |_Maria KOMNENOSDOUKAS _+
|                                                                       
|
|--Leonardo II TOCCO 
|  (1375 - 1418)
|                                                _______________________
|                                               |                       
|                          _____________________|
|                         |                     |
|                         |                     |_______________________
|                         |                                             
|_Maddalena BUONDELMONTI _|
                          |
                          |                      _______________________
                          |                     |                       
                          |_____________________|
                                                |
                                                |_______________________