His descendant Juana Enriquez (1425–February 13, 1468), was the second wife of John II of Aragon and the mother of Ferdinand II of Aragon.
In his old age John was blinded by cataracts, but recovered his eyesight by the operation of couching conducted by his physician Abiathar Crescas, a Jew.
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The Catalans, who had adopted the cause of Charles and who had grievances of their own, called in a succession of foreign pretenders in a War against John II.
John F. Kennedy | Pope John Paul II | Elton John | John | John Lennon | John Wayne | John McCain | John Kerry | John Cage | Olivia Newton-John | John Williams | John Peel | John Adams | John Steinbeck | John Travolta | John Milton | John Zorn | John Marshall | John Howard | Aragon | John Singer Sargent | John Ruskin | John Updike | John Maynard Keynes | John Coltrane | John Cleese | St. John's | John Waters | John Lee Hooker | John Huston |
He went on missions to the Council of Basel in 1482, and to the court of John II of Aragon, leading to a Spanish ministerial appointment and close involvement in the marriage of the Catholic Monarchs.