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,
House of Braganza Eugénia of Braganza, married Francisco de Melo, 2nd Marquis of Ferreira. Jaime I's only other son, other than Teodósio I, to not enter into the church, Constantino of Braganza, married Maria de Melo, daughter of D. Rodrigo de Melo, 1st Marquis of Ferreira, but had no children. Constantino was famed as a great officer of the Portuguese Empire, having served as the Viceroy of Portuguese India and Captain of Ribeira Grande, among other positions. The fifth Duke, Teodósio I, is remembered for being the personification of the Portuguese Renaissance. A patron of the arts and scholarly noble, Teodósio I maintained