The Nuttall Encyclopedia
he Apostle of Cumbria, born at Culross, the natural son of a princess named Thenew; entered the monastery there, where he had been trained from a boy, and founded a monastery near Glasgow and another in Wales; was distinguished for his missionary labours; was buried at Glasgow Cathedral (518-603).
Wood, James, ed. Entry for 'Kentigern, St.'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/k/kentigern-st.html. Frederick Warne & Co Ltd. London. 1900.