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In page Taliesin:

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John T. Koch argues that the description of Easter in the praise poem Yspeil Taliesin ('The Spoils of Taliesin') indicates that Urien and Taliesin were Christians who adhered to the Latin rather than the Insular observance of Easter.[citation needed] He also suggests that the figure of Taliesin served as a bridge between the worlds of Brittonic Christian Latin literature and the Heroic Age court poets, allowing monastic scribes to cultivate vernacular poetry.[2]