_Charles I GONZAGA _________+
                                                    | (1580 - 1637)              
                               _Charles II GONZAGA _|
                              | (1609 - 1631) m 1627|
                              |                     |_Catherine of GUISE ________+
                              |                       (1585 - 1617)              
 _Charles III GONZAGA ________|
| (1629 - 1665) m 1649        |
|                             |                      _Francesco IV GONZAGA ______+
|                             |                     | (1586 - 1612) m 1607       
|                             |_Maria of GONZAGA ___|
|                               (1609 - 1660) m 1627|
|                                                   |_Margaret of SAVOY _________+
|                                                     (1589 - 1655) m 1607       
|
|--Ferdinando Carlo GONZAGA 
|  (1652 - 1708)
|                                                    _Charles II HABSBURG _______+
|                                                   | (1540 - 1590)              
|                              _Leopold V HABSBURG _|
|                             | (1585 - 1632) m 1626|
|                             |                     |_Maria Anna of WITTELSBACH _+
|                             |                       (1550 - 1608)              
|_Isabella-Clara of HABSBURG _|
  (1629 - 1684) m 1649        |
                              |                      _Ferdinando I de' MEDICI ___+
                              |                     | (1549 - 1608)              
                              |_Claudia de' MEDICI _|
                                (1604 - 1648) m 1626|
                                                    |_Christine of LORRAINE _____+
                                                      (1565 - 1637)