Princess Maria Theresa of Löwenstein-Wertheim-Rosenberg was a Princess of Löwenstein-Wertheim-Rosenberg and a member of the House of Löwenstein-Wertheim-Rosenberg by birth and an Infanta of Portugal, Duchess consort of Braganza, and titular Queen consort of Portugal through her marriage to Miguel, Duke of Braganza, Miguelist claimant to the throne of Portugal from 1866 to 1920.
Background
Maria Theresa was the fifth child and fourth daughter of Charles, 6th Prince of Löwenstein-Wertheim-Rosenberg, brother of titular Queen consort of Portugal Adelaide of Löwenstein-Wertheim-Rosenberg, and his wife Princess Sophie of Liechtenstein.
Career
Maria Theresa was an elder sister of Aloys, 7th Prince of Löwenstein-Wertheim-Rosenberg. Titles and styles 4 January 1870 – 8 November 1893: Her Serene Highness Princess Maria Theresa of Löwenstein-Wertheim-Rosenberg 8 November 1893 – 11 October 1927: Her Royal Highness The Princess Royal of Portugal, Duchess of Braganza 11 October 1927 – 17 January 1935: Her Royal Highness The Dowager Princess Royal of Portugal, Dowager Duchess of Braganza.