Constantino of Braganza Constantino of Braganza Dom Constantino of Braganza (1528–1575) was a Portuguese statesman and military commander of the 16th century. He was a member of the Most Serene House of Braganza. He was the son of Dom James, 4th Duke of Braganza from his second marriage. When he was 19 years old, he was appointed by King Dom John III of Portugal as his special ambassador to the baptism ceremony of King Henry II of France's son. In 1558, he was appointed by the regent Dona Catherine of Habsburg (King Dom John III's widow) as the 20th Governor of Portuguese India,
House of Orléans-Braganza had 3 surviving sons which were the first to use the surname "Orléans-Braganza": Pedro de Alcântara, Prince of Grão-Pará, Prince Luís and Prince Antônio. Both Prince Pedro and Prince Luís have children. Today they are the present claimants to the throne of the former Empire of Brazil, which became extinct with the Brazilian proclamation of the republic, on 15 November 1889 after a military coup d'état headed by Marshall Deodoro da Fonseca, the 1st President of Brazil. After the death of Princess Isabel on 1921, the House of Orléans-Braganza became the claimant of the Brazilian throne under Prince Pedro Henrique