House of Braganza great difficulty under the reign of King João II. By the tenure of the third duke, Fernando II, the House of Braganza was undoubtedly one of the greatest noble houses of Portugal and Iberia as a whole. Fernando II continued the House's legacy of acquisition and gained the title of Duke of Guimarães. To the Duke and the House's downfall, however, King João II's reign concerned itself with the royal consolidation of power and the diminishment of the nobility. In his mission to centralize power, the King executed many nobleman of the great houses of Portugal, alongside confiscating their properties
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