Peter of Castile, Lord of Cameros Infante of castille (1290–1319) Parents María de Molinillo Sancho IV of León and Castile Children Blanche of Castile, Infanta of Portugal Siblings Alfonso de Castilla Violante Sánchez de Castilla Philip of Castile, Lord of Cabrera and Ribera Enrique de Castilla Ferdinand IV of Castile Beatrice of Castile Isabella of Castile, Queen of Aragon Tereza Sanchez bâtarde de Castilla Partners Maria of Aragon, Lady of Cameros