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
Jaime, Duke of Braganza had married Leonor Pérez de Guzmán, daughter of Juan Alfonso Pérez de Guzmán, 3rd Duke of Medina Sidonia. They had two children before she was murdered in 1512. In 1520, Jaime I married Joana of Mendoça, daughter of Diogo of Mendonça, High-Alcaide of Mourão. They had eight children, most of whom saw successful lives. Jaime, Duke of Braganza Jaime of Braganza (1479 – 20 September 1532) was the 4th Duke of Braganza and the 2nd Duke of Guimarães, among other titles. He is known for reviving the wealth and power of the House of Braganza which had been confiscated by