_Francis I Stephen LORRAINE __________+
                                                                   | (1708 - 1765)                        
                             _Ferdinand Charles HABSBURG-LORRAINE _|
                            | (1754 - 1806) m 1771                 |
                            |                                      |_Maria Theresa of HABSBURG ___________+
                            |                                        (1717 - 1780)                        
 _Francis IV HABSBURG-ESTE _|
| (1779 - 1846)             |
|                           |                                       _Ercole III of ESTE __________________+
|                           |                                      | (1727 - 1803) m 1741                 
|                           |_Maria Beatrice of ESTE ______________|
|                             (1750 - 1829) m 1771                 |
|                                                                  |_Maria Teresa of CYBO-MALASPIONA _____
|                                                                    (1725 - 1790) m 1741                 
|
|--Maria Beatrix of HABSBURG-ESTE 
|  (1824 - 1906)
|                                                                   _Victor Amadeus III of SAVOY _________+
|                                                                  | (1726 - 1796) m 1750                 
|                            _Victor Emmanuel I of SAVOY __________|
|                           | (1759 - 1824)                        |
|                           |                                      |_Maria Antonia of BOURBON ____________+
|                           |                                        (1729 - 1785) m 1750                 
|_Maria Beatrice of SAVOY __|
  (1792 - 1840)             |
                            |                                       _Ferdinand Charles HABSBURG-LORRAINE _+
                            |                                      | (1754 - 1806) m 1771                 
                            |_Maria Therese of HABSBURG-ESTE ______|
                              (1773 - 1832)                        |
                                                                   |_Maria Beatrice of ESTE ______________+
                                                                     (1750 - 1829) m 1771