Joana de Castro Portuguese noblewoman (1410-1479) (1410–1479) Parents Leonor da Cunha João de Castro, senhor do Cadaval Children Fernando II, Duke of Braganza Afonso de Bragança Álvaro of Braganza João, Marquis of Montemor-o-Novo Beatriz de Bragança Guiomar de Bragança Siblings Branca da Cunha Partners Fernando I, Duke of Braganza
