After the Battle of Alfarrobeira, where his father's army was defeated by the forces of Afonso V, John went into exile in Burgundy together with his brother James and sister Beatrice.[1] His aunt Isabella, wife of Duke Philip the Good, was able to offer protection to her nephews and niece and ensure they enjoyed high social position.[1]
In May 1456, John was made a Knight of the Order of the Golden Fleece.[2] He then sailed to Cyprus and married Charlotte of Cyprus in Nicosia and was accorded the title Prince of Antioch.[3] At court he counterbalanced the Greek Orthodox influence of his mother-in-law, Helena Palaiologina.[2] After a short illness, allegedly due to poisoning, he died in 1457 and was buried in the Church of St. Francis in Nicosia.[2]
Rogers, Francis M. (1961). The Travels of the Infante Dom Pedro of Portugal. Harvard Studies in Romance Languages. Vol. XXVI. Cambridge: Harvard University Press.
Smedt, Raphael de, ed. (2000). Les chevaliers de l'ordre de la Toison d'or au XVe siècle. Notices bio-bibliographiques. Frankfurt: Peter Lang. ISBN3-631-36017-7. p. 135f.
Nobreza de Portugal e Brasil. Vol. I. Lisbon: Zairol Lda. 1989. pp. 270–271.
* also an infante of Castile and León, Aragon, Sicily and Naples,§ also an infante of Spain and an archduke of Austria,# also an infante of Spain,‡ also an imperial prince of Brazil,¶ also a prince of Saxe-Coburg and Gotha, Duke in Saxony,◙ also a prince of Braganza,¤ title removed in 1920 as their parents' marriage was deemed undynastic,ƒ claimant infante
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