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
Prince Luiz Gastão of Orléans-Braganza Prince Luiz Gastão of Orléans-Braganza Prince Luiz Gastão of Orléans-Braganza (; 19 February 19118 September 1931) was a member of the House of Orléans-Braganza, and was descended from the Brazilian Imperial Family. Prince Luiz Gastão was born at Cannes, France, the second son of Prince Luiz of Orléans-Braganza (1878–1920), and his wife, Princess Maria di Grazia of Bourbon-Two Sicilies (1978–1963). His father was the second son of Prince Gaston, Count of Eu, and Isabel, Princess Imperial of Brazil. His mother was the daughter of Prince Alfonso, Count of Caserta, and Princess Antonietta of Bourbon-Two Sicilies. Prince Luis Gastão's paternal grandmother,