_Guglielmo GONZAGA ______________+
                                                          | (1538 - 1587)                   
                         _Vincenzo I GONZAGA _____________|
                        | (1562 - 1611)                   |
                        |                                 |_Eleanor of HABSBURG ____________+
                        |                                   (1534 - 1594)                   
 _Francesco IV GONZAGA _|
| (1586 - 1612) m 1607  |
|                       |                                  _Francesco I de' MEDICI _________+
|                       |                                 | (1541 - 1587)                   
|                       |_Eleanor de' MEDICI _____________|
|                         (1566 - 1611)                   |
|                                                         |_Joanna of HABSBURG _____________+
|                                                           (1546 - 1578)                   
|
|--Maria of GONZAGA 
|  (1609 - 1660)
|                                                          _Emmanuel Philibert SAVOY _______+
|                                                         | (1528 - 1580) m 1684            
|                        _Charles Emmanuel SAVOY _________|
|                       | (1561 - 1630) m 1585            |
|                       |                                 |_Margaret of VALOIS-ANGOULÊME __+
|                       |                                   (1523 - 1574) m 1684            
|_Margaret of SAVOY ____|
  (1589 - 1655) m 1607  |
                        |                                  _Philip II HABSBURG _____________+
                        |                                 | (1527 - 1598) m 1559            
                        |_Catherine Michelle of HABSBURG _|
                          (1567 - 1597) m 1585            |
                                                          |_Elisabeth of VALOIS-ANGOULÊME _+
                                                            (1545 - 1568) m 1559