Who succeeded his elder brother, Joseph I, as Holy Roman Emperor, King of Bohemia, King of Hungary and Croatia, Serbia and Archduke of Austria in 1711 and established the Tabula Banalis in 1723?
Charles VI, Holy Roman Emperor Charles VI (1 October 1685 – 20 October 1740; German: "Karl VI." ) succeeded his elder brother, Joseph I, as Holy Roman Emperor, King of Bohemia (as Charles II), King of Hungary and Croatia, Serbia and Archduke of Austria (as Charles III) in 1711. He unsuccessfully claimed the throne of Spain following the death of his relative, Charles II, in 1700. He married Elisabeth Christine of Brunswick-Wolfenbüttel, by whom he had his two children: Maria Theresa, the last Habsburg sovereign, and Maria Anna, Governess of the Austrian Netherlands.
Archduke Ferdinand Karl Joseph of Austria-Este Archduke Ferdinand Karl Joseph of Austria-Este (25 April 1781 – 5 November 1850) was the third son of Archduke Ferdinand of Austria-Este and of his wife Princess Maria Beatrice Ricciarda d'Este, last member and heiress of the House of Este. For much of the Napoleonic Wars he was in command of the Austrian army.