Cyclopedia of Biblical, Theological and Ecclesiastical Literature
a Scottish prelate who flourished toward the close of the 6th century, was actively engaged in the interests of the Christian Church among the natives of Scotland. He is said to have made many converts while bishop of Glasgow. Bishop Kentigern died about A.D. 600.
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McClintock, John. Strong, James. Entry for 'Kentigern, St.,'. Cyclopedia of Biblical, Theological and Ecclesiastical Literature. https://www.studylight.org/encyclopedias/eng/tce/k/kentigern-st.html. Harper & Brothers. New York. 1870.