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 Orléans-Braganza to the marriage. Isabel and Leopoldina were not informed until Gaston and August were mid-Atlantic. Arriving in early September, Gaston described the princesses as "ugly", but thought Isabel less so than her sister. For her part, Isabel in her own words "began to feel a great and tender love" for Gaston.[65] The two couples: Gaston and Isabel; August and Leopoldina; were engaged on 18 September. On 15 October 1864 at Rio de Janeiro, Prince Gaston married Isabel, Princess Imperial of Brazil and heiress of the Empire. It was from that marriage the royal house of Orléans-Braganza was formed. The couple