| REFERENCE | TITLE | NAME | BORN | DIED | TITLE | NAME | BORN | DIED | COMMENTS | |
| 30 | Duke | Friedrich of Saxe-Hildburghausen | 1763 | 1834 | Duchess | Charlotte of Mecklenburg-Strelitz | 1769 | 1818 | See 24.1 - Following the extinction of the Saxe-Gotha-Altenburg branch in 1825, a rearrangement of the Saxony Duchies resulted in Duke Friedrich receiving Saxe-Altenburg and ceding Saxe-Hildburghausen to Saxe-Meiningen territories | |
| 30.1 | Prince | Joseph George of Saxe-Hildburghausen | 1786 | 1786 | ||||||
| 30.2 | Princess | Charlotte of Saxe-Hildburghausen | 1787 | 1847 | Prince | Paul of Württemberg | 1785 | 1852 | See 22.14 | |
| 30.3 | Princess | Charlotte Augusta of Saxe-Hildburghausen | 1788 | 1788 | ||||||
| 30.4 | Duke | Joseph of Saxe-Altenburg | 1789 | 1868 | Duchess | Amalie of Württemberg | 1799 | 1848 | See 22.23 - Joseph was conservative and resistant to reform and was forced to abdicate during the civil revolution of 1848 in favour of his brother George ( 1796-1853) . | |
| 30.41 | Princess | Marie of Saxe-Altenburg | 1818 | 1907 | King | Georg V of Hanover | 1819 | 1878 | See 25.1 - George who went blind following a riding accident in 1834 lost his throne as a result of the Annexation of Hanover by Prussia on 20 September 1866 after having taken the side of Austria in the Austrian-Prussian War . He, his wife and 3 children fled in exile to Austria. He died while on a visit to Paris. His body was brought to England for burial in St George Chapel, Windsor. | |
| 30.42 | Princess | Pauline of Saxe-Hildburghausen | 1819 | 1825 | ||||||
| 30.43 | Princess | Therese of Saxe-Altenburg | 1823 | 1915 | ||||||
| 30.44 | Princess | Elisabeth of Saxe-Altenburg | 1826 | 1896 | Grand Duke | Peter II of Oldenburg | 1827 | 1900 | See 31.13 | |
| 30.45 | Princess | Alexandra of Saxe-Altenburg | 1830 | 1911 | Grand Duke | Constantine of Russia | 1827 | 1892 | See 4.96 - Alexandra took the name "Alexandra Josifovna" on her marriage. | |
| 30.46 | Princess | Luise of Saxe-Altenburg | 1832 | 1833 | ||||||
| 30.5 | Princess | Frederike of Saxe-Hildburghausen | 1791 | 1791 | ||||||
| 30.6 | Princess | Therese of Saxe-Hildburghausen | 1792 | 1854 | King | Ludwig I of Bavaria | 1786 | 1868 | See 18.1 - Ludwig was forced to abdicate in 1848 (partly over his affair with a dancer Maria Dolores Eliza Rosanna Lola Gilbert - stage name Lola Montez) in favour of his son Maximilian. Lola Montez led a very colourful life and her exploits are well documented although some of her details regarding her birth date and name vary between the different sources | |
| 30.7 | Princess | Luise of Saxe-Hildburghausen | 1794 | 1825 | Duke | Wilhelm of Nassau | 1792 | 1839 | See 33 - Wilhelm was formally Prince Wilhelm of Nassau-Weilburg and inherited the principality of Nassau-Weilburg from his father on 9 January 1816 and the Duchy of Nassau-Usingen from a distant relative only two months later on 24 March 1816. He thus became the Duke of Nassau in 1816 following the extinction of the Usingen line of the House of Nassau. | |
| 30.8 | Prince | Franz of Saxe-Hildburghausen | 1795 | 1800 | ||||||
| 30.9 | Duke | George of Saxe-Altenburg | 1796 | 1853 | Duchess | Marie Louise of Mecklenburg-Schwerin | 1803 | 1862 | See 23.2 - George succeeded his elder brother Joseph as Duke of Saxe-Altenburg in 1848. Joseph George was conservative and resistant to reform and was forced to abdicate during the civil revolution of 1848. | |
| 30.91 | Duke | Ernst I of Saxe-Altenburg | 1826 | 1908 | Princess | Agnes of Anhalt-Dessau | 1824 | 1897 | See 24.732 | |
| 30.911 | Princess | Marie of Saxe-Altenburg | 1854 | 1898 | Prince | Albrecht of Prussia | 1837 | 1906 | See 11.92 - Albrecht was Prince Regent of Brunswick 1885 to 1906, and was succeeded as Prince Regent by Duke Johann Albrecht of Mecklenburg-Schwerin from 1907 to 1913 | |
| 30.912 | Hereditary Prince | George of Saxe-Altenburg | 1856 | 1856 | ||||||
| 30.92 | Prince | Albert of Saxe-Altenburg | 1827 | 1835 | ||||||
| 30.93 | Prince | Moritz of Saxe-Altenburg | 1829 | 1907 | Princess | Auguste of Saxe-Meiningen | 1843 | 1919 | See 29.32 | |
| 30.931 | Princess | Marie Anne of Saxe-Altenburg | 1864 | 1918 | Prince | Georg II of Schaumburg-Lippe | 1846 | 1911 | See 43.12 | |
| 30.932 | Princess | Elizabeth of Saxe-Altenburg | 1865 | 1927 | Grand Duke | Konstantine "KR" of Russia | 1858 | 1915 | See 4.964 - Elisabeth took the name "Elisabeth Mavrikievna" on her marriage. Konstantine was the last Romanov to die whilst under the dynasty's rule | |
| 30.933 | Princess | Margaret of Saxe-Altenburg | 1867 | 1882 | ||||||
| 30.934 | Duke | Ernst II of Saxe-Altenburg | 1871 | 1955 | Princess | Adelheid of Schaumburg-Lippe | 1875 | 1971 | See 43.77 - Ernst abdicated his throne on 13 November 1918 | |
| 30.934 | Duke | Ernst II of Saxe-Altenburg | 1871 | 1955 | Maria Triebel | 1893 | 1957 | Ernst abdicated his throne on 13 November 1918. Maria assumed the title Baroness von Rieseneck on her marriage. | ||
| 30.9341 | Princess | Charlotte Agnes of Saxe-Altenburg | 1899 | 1989 | Prince | Sigismund of Prussia | 1896 | 1978 | See 11.2132 | |
| 30.9342 | Prince | George Moritz of Saxe-Altenburg | 1900 | 1991 | The death of Prince George Moritz brought an end to the Princely House of Saxe-Altenburg | |||||
| 30.9343 | Princess | Elizabeth of Saxe-Altenburg | 1903 | 1991 | ||||||
| 30.9344 | Prince | Friedrich of Saxe-Altenburg | 1905 | 1985 | ||||||
| 30.935 | Princess | Luise of Saxe-Altenburg | 1873 | 1953 | Duke | Eduard of Anhalt | 1861 | 1918 | See 24.7334 | |
| 30.J | Prince | Friedrich of Saxe-Altenburg | 1801 | 1870 | ||||||
| 30.K | Prince | Maximilian of Saxe-Altenburg | 1803 | 1803 | ||||||
| 30.L | Prince | Edward of Saxe-Altenburg | 1804 | 1852 | Princess | Amelia of Hohenzollern | 1815 | 1841 | Princess Amelia was a sister of Prince Karl Anton of Hohenzollern | |
| 30.L | Prince | Edward of Saxe-Altenburg | 1804 | 1852 | Princess | Luise Reuss-Greiz | 1822 | 1875 | ||
| 30.L1 | Princess | Theresa of Saxe-Altenburg | 1836 | 1914 | Prince | Augustus of Sweden (Duke of Dalecarlia) | 1831 | 1873 | See 3.5 | |
| 30.L2 | Princess | Antoinette of Saxe-Altenburg | 1838 | 1908 | Duke | Friedrich I of Anhalt | 1831 | 1904 | See 24.733 | |
| 30.L3 | Prince | Ludwig of Saxe-Altenburg | 1839 | 1844 | ||||||
| 30.L4 | Prince | Johann of Saxe-Altenburg | 1841 | 1844 | ||||||
| 30.L5 | Prince | Albert of Saxe-Altenburg | 1843 | 1902 | Princess | Marie of Prussia | 1855 | 1888 | See 11.511 | |
| 30.L5 | Prince | Albert of Saxe-Altenburg | 1843 | 1902 | Duchess | Helene of Mecklenburg-Strelitz | 1857 | 1936 | See 24.842 | |
| 30.L51 | Princess | Olga of Saxe-Altenburg | 1886 | 1955 | Count | Carl Friedrich von Puckler-Burghauss | 1886 | 1945 | ||
| 30.L52 | Princess | Maria of Saxe-Altenburg | 1888 | 1947 | Prince | Heinrich XXXV Reuss-Köstritz | 1887 | 1936 | See 27.2425 | |
| 30.L6 | Princess | Marie Gasparine of Saxe-Altenburg | 1845 | 1930 | Prince | Karl Günther of Schwarzburg-Sondershausen | 1830 | 1909 | Karl Günther was a son of Prince Günther II Friedrich of Schwarzburg-Sondershausen (1801-1889) and his first wife Princess Marie of Schwarzburg-Rudolstadt (1809-1833). The death of Karl Günther brought an end to the Princely House of Schwarzburg-Sondershausen |