Duchy of Braganza Duchy of Braganza The Duchy of Braganza (Portuguese: Ducado de Bragança) has been the fief of an important Portuguese noble family: the House of Braganza, and is one of the most important Dukedoms of Portugal. Created in 1442 by King Afonso V of Portugal for his uncle Afonso, Count of Barcelos (natural son of John I of Portugal), it is one of the oldest fiefdoms in Portugal. After the accession of the House of Braganza to the Portuguese throne in 1640, following the House of Habsburg, the heir to the throne of Portugal was styled as the Duke of Braganza
House of Braganza children by his first wife, Leonor of Pérez de Guzman, and the later eight children by his second wife, Joana of Mendoça, all saw successful lives under the restored House of Braganza. Jaime I's first daughter, Isabel of Braganza, married Infante Duarte, Duke of Guimarães, and had three children, while his first son and successor, Teodósio I, was a successful prince of the Portuguese Renaissance. Five of Jaime I's children, Jaime, Maria, Fulgêncio, Teotónio, and Vicência, all entered into religious orders. The Duke's second daughter, Joana of Braganza, married Bernardino de Cardenas, 3rd Marquis of Elche, and his third daughter,