Palace of the Dukes of Braganza Palace of the Dukes of Braganza The Palace of the Dukes of Braganza () is a medieval estate and former residence of the first Dukes of Braganza, located in the historical centre of Guimarães (Oliveira do Castelo), in the north-western part of Portugal. It was initiated between 1420 and 1422 by Afonso, Count of Barcelos, the illegitimate son of John I of Portugal (and future Duke of Bragança), after his marriage to his second wife. His prodigeny would occupy the space until the Dukes of Braganza moved to Vila Viçosa, abandoning the palace. The 16th Century marked the beginning of
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