The title of Duchess of Braganza has existed in Portugal since the 15th century. This title designates the female head of the House of Braganza.
Brasão da familia Noronha, portugal
Beatriz, duquesa braganca
Catarina duquesa braganza
José de Avelar Rebelo Retrato da Rainha D.Luisa de Gusmão
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
D. João I; Palace of the Dukes of Braganza