Infante João, Duke of Valencia de Campos son of Peter I of Portugal and Ines de Castro (1349–1397) Parents Inês de Castro Peter I of Portugal Children Isabella Brites de Portugal María Brites de Portugal Afonso of Portugal Pedro da Guerra Infante Fernando, Lord of Eça Siblings Infante Afonso Beatrice, Countess of Alburquerque Louis of Portugal Infanta Maria of Portugal John I of Portugal Maria, Marchioness of Tortosa Infante Dinís, Lord of Cifuentes Ferdinand I of Portugal Partners Maria Telles de Meneses Constanza Enríquez de Castilla
