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 to the marriage. Isabel and Leopoldina were not informed until Gaston and August were mid-Atlantic. Arriving in early September, Gaston described the princesses as "ugly", but thought Isabel less so than her sister. For her part, Isabel in her own words "began to feel a great and tender love" for Gaston.[65] The two couples: Gaston and Isabel; August and Leopoldina; were engaged on 18 September. On 15 October 1864 at Rio de Janeiro, Prince Gaston married Isabel, Princess Imperial of Brazil and heiress of the Empire. It was from that marriage the royal house of Orléans-Braganza was formed. The couple