Archduchess Maria Theresa of Austria-Este (1817–1886)

Archduchess Maria Theresa of Austria-Este (Maria Theresia Beatrix Gaëtane; 14 July 1817 – 25 March 1886) was a member of the House of Austria-Este  by boirth and an Archduchess of Austria, Princess of Hungary, Bohemia, and Modena by birth. 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.