Alfonso de Castilla Castilian noble (1286-1291) (1286–1291) Parents María de Molinillo Sancho IV of León and Castile Children Siblings Beatrice of Castile Isabella of Castile, Queen of Aragon Peter of Castile, Lord of Cameros Ferdinand IV of Castile Enrique de Castilla Philip of Castile, Lord of Cabrera and Ribera Violante Sánchez de Castilla Tereza Sanchez bâtarde de Castilla