Archduchess Maria Theresa of Austria-Este (German: Maria Theresia Beatrix Gaëtane, Erzherzogin von Österreich-Este, Prinzessin von Modena) (14 July 1817, Modena, Duchy of Modena and Reggio – 25 March 1886, Görz, Austria-Hungary) was a member of the House of Austria-Este and Archduchess of Austria, Princess of Hungary, Bohemia, and Modena by birth. Her husband, Henri, was disputedly King of France and Navarre from 2 to 9 August 1830 and afterwards the Legitimist pretender to the throne of France from 1844 to 1883. Maria Theresa was the eldest child of Francis IV, Duke of Modena and his niece-wife Maria Beatrice of Savoy.
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Biography
Maria Theresa married Henri, comte de Chambord, the posthumous son of Charles Ferdinand, Duke of Berry, younger son of Charles X of France, by his wife, Princess Caroline Ferdinande of Bourbon-Two Sicilies, daughter of Francis I of the Two Sicilies, by proxy on 7 November 1846 in Modena and in person on 16 November 1846 in Bruck an der Mur, Styria. Maria Theresa and Henri produced no children.
Maria Theresa had been chosen as Henri's wife by his father’s cousin Marie-Thérèse-Charlotte of France. Marie-Thérèse sought to ally the exiled French Royal Family with the House of Austria-Este for several reasons: it was Roman Catholic and the only royal family not to have recognized the July Monarchy of Louis-Philippe of France. Henri had actually preferred Maria Theresa's youngest sister, Maria Beatrix.
After Henri's death on 24 August 1883, Maria Theresa and a minority of Henri's supporters held that Juan, Count of Montizón, as senior male descendant of Louis XIV, was his successor. Juan's wife was Maria Theresa's sister, Maria Beatrix.





