Frederick of Castile Castilian infante (1223–1277) Parents Elisabeth of Swabia Ferdinand III of Castille Children Beatriz Fadrique de Castilla Siblings Luigi di Castiglia Ferdinando di Castiglia Ferdinand, Count of Aumale Alfonso X of Castile and Leon Infante Henry of Castile Sancho of Castile Philip of Castile Berenguela de Castilla Maria de Castilla Eleanor of Castile Manuel of Castile Leonor de Castilla Simon of Castille Juan de Castilla Partners Caterina Angelina (?)