Afonso I, Duke of Braganza 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 go on to become high-ranking nobles, imperial officials, and even the Kings of Portugal and the Emperors of Brazil. Historians believe he was born in Veiros, Estremoz, Alentejo, as a natural son of Portuguese King John I and Inês Peres. He married the heiress
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