Afonso I, Duke of Braganza time, to his first cousin once removed, Constance of Noronha, daughter of Alfonso Enríquez, Count of Gijón and Noreña (a natural son of Henry II of Castile), and of Isabel of Portugal (a natural daughter of Fernando I of Portugal). They had no issue. Afonso I, Duke of Braganza Dom Afonso I of Braganza (; 10 August 1377 – 15 December 1461) was the first Duke of Braganza and the eighth Count of Barcelos. He would start a dynasty, the House of Braganza, that would end up being the most powerful and wealthy in all of Portugal. His descendants would
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