Catarina, Duchess of Braganza Catarina, Duchess of Braganza Infanta Catherine of Guimarães, Duchess of Braganza by marriage (Portuguese: Catarina; , 18 January 1540 – 15 November 1614) was a Portuguese "infanta" (princess) claimant to the throne following the death of King Henry of Portugal in 1580. She was the second daughter of Infante Edward, 4th Duke of Guimarães (sixth son of Manuel I of Portugal) and Isabella of Braganza, she was married to John, 6th Duke of Braganza, a descendant of earlier Portuguese monarchs, and head of the most important aristocratic House in Portugal. The duchess had several children, of whom Teodósio of Braganza,
Prince Luiz of Orléans-Braganza Prince Luiz of Orléans-Braganza Prince Luiz of Orleans-Braganza (born 6 June 1938) is the head of the Vassouras branch of the House of Orléans-Braganza and a claimant to the defunct Brazilian throne. The Vassouras branch claims the throne in opposition to the Petrópolis branch of the Orléans-Braganzas, headed by Prince Pedro Carlos of Orléans-Braganza. Though both Prince Luiz and Prince Pedro Carlos are great-great-grandchildren of Emperor Pedro II of Brazil, of the House of Braganza, they dispute leadership over the Brazilian Imperial Family due to a dynastic dispute concerning their fathers, who were cousins. Prince Luiz actively claims the throne