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 Luiz of Orléans-Braganza and participates in matters concerning Brazil's imperial past. Luiz Gastão Maria José Pio was born on 6 June 1938 in Mandelieu-la-Napoule, France, as the oldest son Prince Pedro Henrique of Orléans-Braganza, the Vassouras great-grandson of Emperor Pedro II of Brazil, and his wife, Princess Maria Elisabeth of Bavaria, granddaughter of King Ludwig III of Bavaria. Through his father, he is a member of the Vassouras branch of the House of Orléans-Braganza, a cadet branch of the House of Braganza and the House of Orléans. Through both of his parents, Luiz is a cousin to many heads of royal families throughout