Saint Petroc, also known as Petrock, Pedrog, Perreuse, Perreux, Petrocus, and Petrox, was a saint and important figure in the early history of Christianity in Britain. Petroc was born as the younger son of King Glywys, and upon his father's death, he was expected to take the crown of one of the country's sub-divisions. However, Petroc had a deep longing for a religious life, and...