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
Duarte Nuno, Duke of Braganza Nuno married Princess Maria Francisca of Orléans-Braganza, daughter of Pedro de Alcântara, Prince of Grão-Pará. Their marriage reconciled two branches of the House of Braganza, in two different ways, reuniting the Portuguese and Brazilian Brigantine houses and specifically reuniting the Miguelist and Liberal Braganzas, which had been estranged since 1828, when the War of Two Brothers was waged between King-Emperor Pedro IV & I, founder of the Liberal Braganzas, and King Miguel I, founder of the Miguelist Braganzas. The couple had three sons, the eldest of whom is Duarte Pio, Duke of Braganza, the current pretender to the defunct Portuguese