Eleanor of Viseu (1458–1525), aka Eleanor of Viseu or Eleanor of Lancaster, daughter of Infante Ferdinand, Duke of Viseu and Infanta Beatrice, Duchess of Viseu, wife of John II of Portugal
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Eleanor of Portugal, Holy Roman Empress (1434–1467), daughter of Edward I of Portugal and wife of Frederick III, Holy Roman Emperor
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Eleanor of Portugal, Queen of Aragon (1328–1348), daughter of Afonso IV of Portugal and wife of Peter IV of Aragon
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Eleanor of Portugal, Queen of Denmark (1211–1231), daughter of Afonso II of Portugal and wife of Valdemar, co-King of Denmark
In 1452 he was in Rome at the wedding of Frederick III with Eleanor of Portugal.
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