Eleanor of Aragon, Queen of Castile Queen consort of Castile (1358–1382) Parents Eleanor of Sicily Peter IV of Aragon Children Enrique III of Castile Ferdinand I of Aragon Siblings Joanna of Aragon, Countess of Ampurias John I of Aragon Isabella of Aragon Martin of Aragon Constance of Aragon, Queen of Sicily Peter of Aragon Alphonse d'Aragon Partners John I of Castile and Leon