sentences:  In 1183, John de Courcy brought in some Benedictines from the abbey of St. Werburgh in Chester (today Chester Cathedral) in England; he built a cathedral friary for them at Downpatrick.This building was destroyed by an earthquake in 1245.De Courcy reputedly found not only the bones of St. Patrick on Cathedral Hill but also the bones of St. Brigid and St. Colmcille (St.Columba).