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
Duarte Pio, Duke of Braganza Duarte Pio, Duke of Braganza "Dom" Duarte Pio, Duke of Braganza (Duarte Pio João Miguel Gabriel Rafael; born 15 May 1945) is a claimant to the defunct Portuguese throne, as the head of the House of Braganza. The Miguelist Braganzas, to whom Duarte Pio belongs as great-grandson of King Miguel I, is a cadet branch of the House of Braganza. With the extinction of male-line dynasts descended from Queen Maria II in 1932, King Miguel's descendants became the only male-line Braganzas left and the closest male-line heirs to the Portuguese throne (the Brazilian branch having gone extinct in 1921). Duarte