Background
John was born in Brittany, in 1098 he joined Clairvaux, where he was professed by Saint Bernard.
John was born in Brittany, in 1098 he joined Clairvaux, where he was professed by Saint Bernard.
He would go on to found Sainte-Croix de Guingamp and Saint-Jacques de Montfort Abbeys, after his appointment as Bishop in 1144. He was given the moniker of "Grating", due to the grating, or metal rails, surrounding his shrine.