Isabel of Braganza, Duchess of Guimarães claim to the throne of Portugal. She was also part of the succession crisis. This marriage produced three children: Isabel of Braganza, Duchess of Guimarães Dona Isabel of Braganza (1514 – 16 September 1576) was a member of the House of Braganza, daughter of Jaime, Duke of Braganza (a nephew of Manuel I of Portugal) and Leonor Pérez de Guzmán. Isabel married her cousin Infante Duarte a son of Manuel I and Maria of Aragon in 1537. Isabel was dowried with the Dukedom of Guimarães, which had belonged to her brother Teodósio I, Duke of Braganza. After the marriage, Infante
Duarte Nuno, Duke of Braganza the (Austrian) Order of the Golden Fleece. Duarte Nuno is buried in the Augustinian monastery in Vila Viçosa, the traditional burial place of the Dukes of Braganza. As the head of the House of Braganza, Duarte Nuno held the following positions: Duarte Nuno, Duke of Braganza "Dom" Duarte Nuno, Duke of Braganza (23 September 1907 – 24 December 1976) was the claimant to the defunct Portuguese throne, as both the Miguelist successor of his father, Miguel, Duke of Braganza, and later as the head of the only Brigantine house, after the death of the last Legitimist Braganza, King Manuel II