Fernando II, Duke of Braganza various titles of his father, the most important and noteworthy being the title of Duke of Braganza. At this time, the House of Braganza was the most powerful noble house in the Kingdom of Portugal (with its seat at Vila Viçosa) and one of the most powerful ones in all of the Iberian Kingdoms. During that period, the Dukes of Braganza resided at Vila Viçosa Castle. When King John II of Portugal succeeded his father, King Afonso V, he sought to bring down the power of the Portuguese nobility, which had greatly flourished under his father's reign. The King heavily
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,