Duarte Nuno, Duke of Braganza 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 of Portugal. In 1952, when the Portuguese Laws of Banishment were repealed, the Duke moved his family to Portugal, thus returning the Miguelist Braganzas to their homeland and becoming the first of the former Portuguese royal dynasty to live in Portugal
House of Braganza of Marquis of Vila Viçosa and Count of Neiva. Fernando I's children, by his wife, Joana de Castro, Lady of Cadaval, continued to enlarge the influence of the House of Braganza. Of his nine children, all six who survived to adulthood established themselves either through positions or marriages, though the actions of King João II would seek to weaken their influence. Fernando I's first son and successor, Fernando II, was initially a bright and popular nobleman, but his conflict with King João II would see his and the House's downfall. His second son, João of Braganza, 1st Marquis of Montemor-o-Novo,