St Lliolan may have been a monastic bishop in north Wales who worked with St Tysilio. He may have become a refugee from Wales after the Battle of Chester in 615 when the Anglo-Saxons slew many monks. He used Broughton in Tweedale in southern Scotland as a base for evangelism.
There is a remnant of the 12C church and a post Reformation burial chamber. This was regarded as the place of his cell.
