House of Bourbon-Braganza House of Bourbon-Braganza The House of Bourbon-Braganza (Spanish: Casa de Borbón-Braganza; Portuguese: Casa de Bourbon-Bragança) was an Iberian noble house that had its origins in a royal marriage arranged in 1785 between Infante Gabriel of Spain (1752–1788) and Infanta Mariana Victoria of Portugal (1768–1788). It was a short marriage: they both died three years later, in Madrid, with smallpox. Their surviving son, Infante Pedro Carlos of Spain and Portugal (1786–1812), was brought up in the Portuguese court, first in Lisbon and, after 1807, in Rio de Janeiro. Until 1793, he was the only grandson of Queen Maria I, therefore considered
Pedro Carlos of Orléans-Braganza of their son. On 16 July 1981, at Fazenda São Geraldo, Pedro Carlos married Patricia Alexandra Branscombe (22 November 1964 – 21 November 2009). The couple had one son: His second wife died at the Palácio do Grão-Pará in Petrópolis. Pedro Carlos of Orléans-Braganza Pedro Carlos of Orléans-Braganza (born 31 October 1945) is one of two claimants to the defunct Brazilian throne, and head of the Petrópolis branch of the Imperial House of Brazil. Prince Pedro Carlos was born in Petrópolis, the eldest son of six children of Prince Pedro Gastão of Orléans-Braganza and his wife, Princess Maria de la