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In page Bagrationi, wife of John IV of Trebizond:

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An account by Caterino Zeno dated to 1474 names another daughter, Eudokia-Valenza of Trebizond. This Valenza was a reported wife of Nicholas Crispo, Lord of Syros. However she is reported as having a daughter who married in 1429. John IV and her are unlikely to have been the grandparents of a married woman only three years following their own marriage. Valenza is considered likely to have been a sister of John IV, instead of a daughter.[5] Nicholas Crispo had eleven children. According to his own correspondence, Crispo was also a son-in-law of Jacopo Gattilusio. His children could be from either of his two marriages. They included (among others) Francesco II Crispo, Duke of the Archipelago and Fiorenza Crispo, mother of Catherine Cornaro.[citation needed]