John of the Grating was a

Cistercian The Cistercians, () officially the Order of Cistercians ( la, (Sacer) Ordo Cisterciensis, abbreviated as OCist or SOCist), are a Catholic religious order of monks and nuns that branched off from the Benedictines and follow the Rule of Saint ...

Bishop of Aleth The former Breton and French Catholic Diocese of Saint-Malo ( la, Dioecesis Alethensis, then la, Dioecesis Macloviensis, label=none) existed from at least the 7th century until the French Revolution. Its seat was at Aleth up to some point in the ...

. John was born in

Brittany Brittany (; french: link=no, Bretagne ; br, Breizh, or ; Gallo language, Gallo: ''Bertaèyn'' ) is a peninsula, Historical region, historical country and cultural area in the west of modern France, covering the western part of what was known ...

, in 1098 he joined Clairvaux, where he was professed by St. Bernard. He would go on to found Sainte-Croix de Guingamp and Saint-Jacques de Montfort Abbeys, after his appointment as

Bishop A bishop is an ordained clergy member who is entrusted with a position of authority and oversight in a religious institution. In Christianity, bishops are normally responsible for the governance of dioceses. The role or office of bishop is ca ...

in 1144. He was given the moniker of "Grating", due to the grating, or metal rails, surrounding his shrine.St. John of the Grating
Catholic Online

References

{{DEFAULTSORT:John of the Grating French Roman Catholic saints Medieval Breton saints 12th-century Christian saints 1168 deaths 1098 births 12th-century French Roman Catholic bishops French Cistercians Breton beatified people 12th-century Breton people