| REFERENCE | TITLE | NAME | BORN | DIED | TITLE | NAME | BORN | DIED | COMMENTS | |
| 47 | Archduke | Ferdinand Karl of Austria | 1754 | 1806 | Princess | Maria Beatrice d'Este (Princess of Modena) | 1750 | 1829 | Maria Beatrice was the daughter of Ercole (Hercules) III d'Este Duke of Modena (1727-1803). Duke Ercole signed a treaty in1763 with Ferdinand Karl's mother Empress Maria Theresa engaging the nine-year old Ferdinand to his only daughter Maria Beatrice, thereby making him his heir. However in 1796 a French invasion forced Duke Ercole to flee to Venice. Following the death of Duke Ercole in 1803 his son-in-law Archduke Ferdinand Karl became Titular Duke of Modena. In 1814 Ferdinand Karl's son Francis IV was restored to the Modena Duchy (Ferdinand Karl having died in 1806 was deprived the opportunity to rule in Modena). Ferdinand Karl was a sister of the famed Marie Antoinette (1755-1793) of Austria who along with her husband King Louis XVI (1754-1793) of France were executed by guillotine in 1793 (albeit nine months apart). | |
| 47.1 | Archduke | Josef Franz of Austria-Este (Modena Line) | 1772 | 1772 | ||||||
| 47.2 | Archduchess | Maria Theresia of Austria-Este (Modena Line) | 1773 | 1832 | King | Vittorio Emanuele I of Sardinia | 1759 | 1824 | Vittorio Emanuele was King of Sardinia from 1802 to 1821 having succeeded his elder brother Charles Emmanuel IV (1751-1819) who had abdicated following the death of his wife. Vittorio Emanuele following revolutions in Sardinia in 1821 abdicated in favour of his brother, Charles Felix. | |
| 47.21 | Princess | Maria Beatrice of Savoy | 1792 | 1840 | Archduke | Francis of Austria-Este (Modena Line) (Duke Francis IV of Modena) | 1779 | 1846 | See 47.5 | |
| 47.22 | Princess | Marie Adelaide of Savoy | 1794 | 1802 | ||||||
| 47.23 | Prince | Carlo Emanuele of Savoy | 1796 | 1799 | ||||||
| 47.24 | a daughter of Savoy | 1800 | 1801 | |||||||
| 47.25 | Princess | Maria Teresa of Savoy | 1803 | 1879 | Duke | Carlo II of Parma | 1799 | 1883 | ||
| 47.26 | Princess | Maria Anna of Savoy | 1803 | 1884 | Emperor | Ferdinand of Austria | 1793 | 1875 | ||
| 47.27 | Princess | Maria Cristina of Savoy | 1812 | 1836 | King | Ferdinando II of the Two Sicilies | 1810 | 1859 | ||
| 47.3 | Archduchess | Josephine Ferdinanda of Austria-Este (Modena Line) | 1775 | 1777 | ||||||
| 47.4 | Archduchess | Maria Leopoldine of Austria-Este (Modena Line) | 1776 | 1848 | Elector | Karl Theodor of Bavaria | 1724 | 1799 | Karl Theodor was succeeded as Elector of Bavaria by his very distant cousin Maximilian, Duke of Zweibruken who later became the first King of Bavaria | |
| 47.4 | Archduchess | Maria Leopoldine of Austria-Este (Modena Line) | 1776 | 1848 | Count | Ludwig von Arco | 1773 | 1854 | ||
| 47.5 | Archduke | Francis of Austria-Este (Modena Line) (Duke Francis IV of Modena) | 1779 | 1846 | Princess | Maria Beatrice of Savoy | 1792 | 1840 | ||
| 47.51 | Archduchess | Marie Therese of Austria (Modena Line) | 1817 | 1886 | Prince | Henri of France (HENRI V) Duke of Bordeaux, Count of Chambord | 1820 | 1883 | See 37.514 | |
| 47.52 | Archduke | Francis of Austria-Este (Duke Francis V of Modena) | 1819 | 1875 | Princess | Adelgunde of Bavaria | 1823 | 1914 | See 18.16 - Death announcement of Archduke Francis | |
| 47.521 | Archduchess | Anna Beatrice of Austria (Modena Line) | 1848 | 1849 | ||||||
| 47.53 | Archduke | Ferdinand of Austria-Este (Modena Line) | 1821 | 1849 | Archduchess | Elisabeth of Austria (Hungarian Line) | 1831 | 1903 | See 21.6 | |
| 47.531 | Archduchess | Marie Theresa of Austria-Este (Modena Line) | 1849 | 1919 | King | Ludwig III of Bavaria | 1845 | 1921 | See 18.151 - Ludwig succeeded his father Luitpold as Regent of Bavaria and became King of Bavaria on 5 November 1913 following the removal of his cousin Otto II who was deemed to be mad. Ludwig was the last King of Bavaria, he was deposed by a communist uprising on 7/8 November 1918 and left for exile in Austria. Marie Theresa succeeded her paternal uncle Duke Francis V of Modena as Heir-Gen of Charles I, King of England (i.e. heir to the Jacobite claim to the throne of Great Britain) | |
| 47.54 | Archduchess | Beatrix of Austria-Este (Modena Line) | 1824 | 1906 | Infant | Juan Carlos of Spain (Count de Montizon) | 1822 | 1887 | See 12.52 | |
| 47.6 | Archduke | Ferdinand Karl of Austria-Este (Modena Line) | 1781 | 1850 | ||||||
| 47.7 | Archduke | Maximilian Joseph of Austria-Este (Modena Line) | 1782 | 1863 | ||||||
| 47.8 | Archduke | Maria Antonia of Austria-Este (Modena Line) | 1784 | 1786 | ||||||
| 47.9 | Archduke | Karl Ambrosius of Austria-Este (Modena Line) | 1785 | 1809 | ||||||
| 47.J | Archduchess | Maria Ludowika of Austia-Este (Modena) | 1787 | 1816 | Emperor | Franz I of Austria | 1768 | 1835 | See 19 - Franz assumed the title of Emperor of Austria on 11 August 1804 and on 6 August 1806 became the last Holy Roman Emperor on its dissolution |