Circa 1330, Jacques Dueza, Pope John XXI . News Photo - Getty Images
File:Pope John XXI illustration.jpg - Wikimedia Commons
File:Pope John XXI.jpg - Wikimedia Commons
Pope John XXI - Wikipedia
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Pope John XXI. Born Pedro Giuliano in Lisbon, Portugal
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Portrait of Pope John XXII (c. 1244 - 1334) - The Online Portrait Gallery
John XXI, the Pope Philosopher and Physician–Scientist of Portuguese Origins Died of Crush Syndrome in 1277 | SpringerLink
John XXI
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