St. Bertin (c. 615-c. 709) is a saint and abbot of Saint-Omer. He was born near Coutances. At an early age he entered the monastery of Luxeuil in France where, under the austere Rule of St. Columban, he prepared himself for his future missionary career. About the year 638 he set out, in company with two confrères, Mummolin and Ebertram, for the extreme northern part of France in order to assist his friend and kinsman, Bishop St. Omer, in the evangelization of the Morini. This country, now in the Pas-de-Calais département, was then one vast marsh, studded here and there with hillocks and overgrown with seaweed and bulrushes. On one of these hillocks, Bertin and his companions built a small house whence they went out daily to preach the word of God among the natives, most of whom were still heathens. Gradually some converted heathens joined the little band of missionaries and a larger monastery had to be built. A tract of land c