Princess Maria Theresia of Thurn and Taxis, was a member of the House of Thurn and Taxis and a Princess of Thurn and Taxis by birth and a member of the House of Esterházy and Princess Esterházy of Galántha from 25 November 1833 to 21 May 1866 through her marriage to Paul III Anthony, 8th Prince Esterházy of Galántha. Wikipedia