Cadwaladr Fendigaid (the Blessed) ap Cadwallon, King of Gwynedd
Cadwalader, the third Blessed Sovereign, last king of the ancient Britons, gave protection within all his lands to the Christians who fled from the pagan Saxons. A great warrior, he became a monk, made a pilgrimage to Rome to receive the Habit of a religious Order from Pope Sergius, and died in the great plague of 664.