Dona Maria I was Queen of Portugal from 24 February 1777 until her death in 1816. Known as Maria the Pious in Portugal and Maria the Mad in Brazil, she was the first undisputed queen regnant of Portugal and the first monarch of Brazil. Wikipedia
Born: December 17, 1734, Lisbon, Portugal
Died: March 20, 1816 (age 81 years), Rio de Janeiro, State of Rio de Janeiro, Brazil
Grandchildren: Pedro I of Brazil, Miguel I of Portugal, Maria Isabel of Braganza, and more
Children: John VI of Portugal, João Francisco de Portugal, and João de Bragança
Parents: José I of Portugal and Mariana Victoria of Spain
Spouse: Peter III of Portugal (m. 1760)