Infanta Maria Theresa of Portugal was a Princess of the House of Braganza. She became by marriage an Archduchess of Austria and also sister-in-law of Emperors Franz Joseph I of Austria and Maximilian I of Mexico, as well as step-grandmother of Emperor Charles I of Austria.
- Occupation
- aristocrat
- Citizenship
- Kingdom of Bavaria, German Empire, Cisleithania, Kingdom of Hungary
- Born
- August 24, 1855
- Died
- February 12, 1944
