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
Teodósio I, Duke of Braganza of Braganza. In 1559, he remarried with Beatriz of Lencastre (1542–1623), granddaughter of Infante George of Lencastre, Duke of Coimbra. Their first child, Jaime of Braganza, died without issue in 1578, in the Battle of Alcacer Quibir. Their second child, Isabel, married the 1st Duke of Caminha. Teodósio I, Duke of Braganza Dom Teodósio I of Braganza (; 1510 – 22 September 1563) was the 5th Duke of Braganza, among other titles. He is known for ceding the title of Duke of Guimarães to Infante Duarte of Aviz, alongside some of the wealth and properties of the House of Braganza.