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
Prince Antônio of Orléans-Braganza Prince Antônio of Orléans-Braganza Prince Antônio of Orléans-Braganza (born June 24, 1950), whose baptismal name is "Antônio João Maria José Jorge Miguel Gabriel Rafael Gonzaga de Orléans e Bragança e Wittelsbach", is a member of the Imperial House of Brazil. Antônio was born in Rio de Janeiro, the sixth son of Prince Pedro Henrique of Orléans-Braganza and of his wife, Princess Maria of Bavaria. In 1976, Antônio earned a bachelor's degree in Engineering (with a specialization in Major Structural Projects) from the University of Barra do Piraí. Dom Antônio's eldest brother is Prince Luiz of Orléans-Braganza, the current Head of