Francis IV, Duke of Modena

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Francis IV
Portrait by Adeodato Malatesta, 1831
Duke of Modena and Reggio
Reign	14 July 1814 – 21 January 1846
Predecessor	Ercole III d'Este, Duke of Modena
Successor	Francis V, Duke of Modena
Born	(1779-10-06)6 October 1779 Milan, Duchy of Milan
Died	21 January 1846(1846-01-21) (aged 66) Modena, Duchy of Modena
Spouse	Maria Beatrice of Savoy ​ ​ (m. 1812; died 1840)​
Issue	Maria Theresa, Countess of Chambord Francis V, Duke of Modena Archduke Ferdinand Karl Viktor Maria Beatrix, Countess of Montizón
House	Habsburg-Este
Father	Ferdinand Karl, Archduke of Austria-Este
Mother	Maria Beatrice d'Este, Duchess of Massa
Religion	Roman Catholicism

Francis IV Joseph Charles Ambrose Stanislaus (Italian: Francesco IV Giuseppe Carlo Ambrogio Stanislao d'Asburgo-Este; 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, Knight of the Order of the Golden Fleece.