House of Braganza In an attempt at reconciliation with the Brigantine House, King Philip I renewed the title of Constable of Portugal, which João I had held previously, to the Duke's first son, Teodósio II, alongside other title and land grants to the Duke and the House. João I's daughters, Maria, Serefina, Querubina, and Angélica, were some of the most eligible ladies of Portugal and all Iberia, though the only one to marry was Serefina of Braganza, who married Castilian Juan Fernandez Pacheco, 5th Duke of Escalona. The Duke's oldest son and successor, Teodósio II, famously fought in the Battle of Alcácer Quibir
House of Orléans-Braganza had 3 surviving sons which were the first to use the surname "Orléans-Braganza": Pedro de Alcântara, Prince of Grão-Pará, Prince Luís and Prince Antônio. Both Prince Pedro and Prince Luís have children. Today they are the present claimants to the throne of the former Empire of Brazil, which became extinct with the Brazilian proclamation of the republic, on 15 November 1889 after a military coup d'état headed by Marshall Deodoro da Fonseca, the 1st President of Brazil. After the death of Princess Isabel on 1921, the House of Orléans-Braganza became the claimant of the Brazilian throne under Prince Pedro Henrique