Infanta Beatrice, Duchess of Viseu Duchess of Viseu, was the only female governor of the Order of Christ (1430–1506) Parents Isabella of Braganza, Lady of Reguengos de Monsaraz John, Constable of Portugal Children Diogo I, Duke of Viseu Isabella of Viseu Infante John, Duke of Viseu Eleanor of Viseu Manuel I of Portugal Siblings Isabella of Portugal Diogo, Constable of Portugal Partners Infante Ferdinand, Duke of Viseu
