House of Braganza of Alcácer Quibir, alongside the King and his uncle, Jaime of Braganza, at the age of ten. Teodósio II later pledged his allegiance and became a faithful countryman to the Philippine Dynasty, having even defended Lisbon against King Philip I's rival claimant to the throne, António, Prior of Crato, who had been acclaimed, by his supporters, as King António I of Portugal. In recognition for his military prowess, Teodósio II was made Constable of Portugal. The Duke's support and service to the Philippine Dynasty, earned the Braganzas more lands and titles and, by 1640, the House had amassed around 80,000
House of Braganza Eugénia of Braganza, married Francisco de Melo, 2nd Marquis of Ferreira. Jaime I's only other son, other than Teodósio I, to not enter into the church, Constantino of Braganza, married Maria de Melo, daughter of D. Rodrigo de Melo, 1st Marquis of Ferreira, but had no children. Constantino was famed as a great officer of the Portuguese Empire, having served as the Viceroy of Portuguese India and Captain of Ribeira Grande, among other positions. The fifth Duke, Teodósio I, is remembered for being the personification of the Portuguese Renaissance. A patron of the arts and scholarly noble, Teodósio I maintained