Constantine was king of Cornwall. Unreliable tradition has him married to the daughter of the king of Brittany who on her death ceded his throne to his son and became a monk at St. Mochuda monastery at Rahan, Ireland. He performed menial tasks at the monastery, then studied for the priesthood and was ordained. He went as a missionary to Scotland under St. Columba and then St. Kentigern, preached in Galloway, and became Abbot of a monastery at Govan. In old age, on his way to Kintyre, he was attacked by pirates who cut off his right arm, and he ...
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