House of Braganza Constitutional branch died out with the death of King Manuel II in 1932, passing its claim to the Portuguese throne to the Miguelist Branch, by way of Duarte Nuno, Duke of Braganza. The claim to the Portuguese Crown, and thus to the leadership of the House of Braganza, passed to Duarte Nuno's son, Duarte Pio, Duke of Braganza, who is currently the most recognized pretender to the Portuguese throne. The House of Braganza originated with Afonso I, an illegitimate son of King John I of Portugal, founder of the House of Aviz, and Inês Pires. Though Afonso was illegitimate, his
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