Fernando I, Duke of Braganza Portuguese nobleman (1403–1478) Parents Beatriz Pereira de Alvim Afonso I Children Beatriz de Bragança João, Marquis of Montemor-o-Novo Afonso de Bragança Fernando II, Duke of Braganza Álvaro of Braganza Guiomar de Bragança Siblings Isabella of Braganza, Lady of Reguengos de Monsaraz Afonso, Marquis of Valença Partners Joana de Castro
