Afonso I 1st Duke of Braganza (1377-1461) (1377–1461) Parents Inês Pires John I of Portugal Children Afonso, Marquis of Valença Fernando I, Duke of Braganza Isabella of Braganza, Lady of Reguengos de Monsaraz Siblings Beatrice, Countess of Arundel Peter, Duke of Coimbra Isabella of Portugal, Duchess of Burgundy John, Constable of Portugal Prince Henry the Navigator Edward I of Portugal Ferdinand the Holy Prince Blanca de Aviz Afonso de Portugal Partners Beatriz Pereira de Alvim Constança de Noronha
