Infanta Isabel Maria of Braganza of John VI of Portugal and the last grandchild of Maria I of Portugal. She is buried in the Royal Pantheon of the House of Braganza. Infanta Isabel Maria of Braganza Infanta Isabel Maria of Braganza (); Queluz, 4 July 1801 – Benfica, then Belém, 22 April 1876 was a Portuguese "infanta" (princess) daughter of King John VI of Portugal and his wife Carlota Joaquina of Spain. She acted as regent for two years. Her full name was Isabel Maria da Conceição Joana Gualberta Ana Francisca de Assis de Paula de Alcântara Antónia Rafaela Micaela Gabriela Joaquina Gonzaga de Bragança
House of Braganza of 1826 stated that ""The Reigning Dynasty of the Most Serene House of Braganza Shall Continue in the Person of Lady Princess Maria da Glória, by the Abdication and Cession of Her August Father Lord Pedro I, Emperor of Brazil, Legitimate Heir and Successor of Lord João VI."". After the revolution of 1910, King Manuel II settled in England until his death in 1932. He was childless, and descendants of Miguel of Braganza (the usurper of 1826) claimed the throne. In 1920–22, the two (of the now four) branches of the House of Braganza negotiated an alleged pact under which