Dom Teodósio I of Braganza was the 5th Duke of Braganza, among other titles. He is known for ceding the title of Duke of Guimarães to Infante Duarte of Aviz, alongside some of the wealth and propertie
Dom João I of Braganza was the 6th Duke of Braganza and 1st Duke of Barcelos, among other titles. He is known for pushing the claims of his wife, Infanta Catherine of Portugal, to the throne of Portug