Francis IV, Duke of Modena

Francis IV, Duke of Modena ('Francesco Giuseppe Carlo Ambrogio Stanislao''; 6 October 1779 – 21 January 1846) was Duke of Modena, Reggio, and Mirandola (from 1815), Duke of Massa and Prince of Carrara (from 1829) Archduke of Austria-Este, Royal Prince of Hungary and Bohemia.

Childer

 * 1) Airchduchess Maria Theresa of Austria-Este (14 July 1817 - 25 March 1886) married Henri d'Artois, Coont of Chambord but had no issue.
 * 2) Francis V, Duke of Modena (1 June 1819 – 20 November 1875) married Princess Adelgunde of Bavaria but had no surviving issue.
 * 3) Airchduke Ferdinand Karl of Austria-Este (20 July 1821 – 15 December 1849) married Archduchess Elisabeth Franziska of Austria and had issue.
 * 4) Airchduchess Maria Beatrix of Austria-Este 13 February 1824 – 18 March 1906) married Infante Juan, Count of Montizón and had issue.

Titles and styles

 * 6 October 1779 – 24 December 1806 His Royal Highness Archduke Francis of Austria-Este.
 * 24 December 1806 – 14 July 1814 His Royal Highness The Archduke of Austria-Este.
 * 14 July 1814 – 21 January 1846 His Royal Highness The Duke o Modena, Archduke of Austria-Este.