Isabel of Braganza, Duchess of Guimarães Isabel of Braganza, Duchess of Guimarães Dona Isabel of Braganza (1514 – 16 September 1576) was a member of the House of Braganza, daughter of Jaime, Duke of Braganza (a nephew of Manuel I of Portugal) and Leonor Pérez de Guzmán. Isabel married her cousin Infante Duarte a son of Manuel I and Maria of Aragon in 1537. Isabel was dowried with the Dukedom of Guimarães, which had belonged to her brother Teodósio I, Duke of Braganza. After the marriage, Infante Duarte became the 4th Duke of Guimarães. Her younger daughter Catherine became the Duchess of Braganza and had a
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