House of Braganza Manuel II named as his heir Duarte Nuno of Braganza, grandson of Miguel. Duarte Nuno, now Duke of Braganza, remained the Braganza pretender until his death in 1976. In 1942, he married a great-granddaughter of Emperor Pedro II of Brazil, uniting the two lines of the House. In 1950 Portugal repealed the law of exile against the Braganzas, and D. Duarte Nuno moved to the country in 1952. Duarte Nuno was succeeded as pretender by his son, Duarte Pio of Braganza (born 1945). Duarte Pio served in the Portuguese Armed Forces and took the customary oath of allegiance to the
Prince Luiz Gastão of Orléans-Braganza in Dreux. After his death, his sister Princess Pia Maria became the titular heir of her brother Pedro Henrique, until the birth of Pedro Henrique's son, also called Prince Luiz, in 1938. Prince Luiz Gastão of Orléans-Braganza Prince Luiz Gastão of Orléans-Braganza (; 19 February 19118 September 1931) was a member of the House of Orléans-Braganza, and was descended from the Brazilian Imperial Family. Prince Luiz Gastão was born at Cannes, France, the second son of Prince Luiz of Orléans-Braganza (1878–1920), and his wife, Princess Maria di Grazia of Bourbon-Two Sicilies (1978–1963). His father was the second son of Prince