Ferdinand I of Aragon Aragonese king (1380–1416) Parents Eleanor of Aragon, Queen of Castile John I of Castile and Leon Children Infante Peter, Count of Alburquerque Alfonso V of Aragon Sancho of Aragon Infante Henry, Duke of Villena Eleanor of Aragon Maria of Aragon John II of Aragon Siblings Miguel, Crown Prince of Portugal Enrique III of Castile Partners Eleanor of Alburquerque
