_Piero I de' MEDICI ____________+
                                              | (1416 - 1469) m 1444           
                       _Lorenzo de' MEDICI ___|
                      | (1448 - 1492) m 1469  |
                      |                       |_Lucrezia TORNABOUNI ___________
                      |                         (1427 - 1482) m 1444           
 _Piero de' MEDICI ___|
| (1471 - 1503)       |
|                     |                        _Jacopo ORSINI _________________+
|                     |                       | (1424 - 1482)                  
|                     |_Clarice ORSINI _______|
|                       (1453 - 1488) m 1469  |
|                                             |_Maddalena of UNKNOWN __________
|                                                                              
|
|--Lorenzo de' MEDICI 
|  (1492 - 1519)
|                                              _Carlo ORSINI __________________+
|                                             | (1388 - ....)                  
|                      _Roberto ORSINI _______|
|                     | (.... - 1479)         |
|                     |                       |_Paolo Gironima of TAGLIACOZZO _
|                     |                                                        
|_Alfonsina ORSINI ___|
  (1472 - 1519)       |
                      |                        ________________________________
                      |                       |                                
                      |_Caterina SANSEVERINO _|
                                              |
                                              |________________________________