sentences:  At Whithorn, many monks were trained who later went into the missionary field to become famous apostles of Ireland and Alba, even as far north as the misty Orkney and Shetland Islands.Saint Éogan, founder of the monastery of Ardstraw, was an Irishman who lived in the sixth century AD and was said to have been taken by pirates to Britain.On obtaining his freedom, he went to study at Candida Casa.