Born in France in 1817. Priest of the diocese of Tours, titular canon, dean of the cathedral chapter and director of the OEuvre de la Sainte-Face (Work of the Holy Face), Fr. Pierre Désiré Janvier (French title M. l'Abbé Janvier) wrote the Life of Leo Dupont and the Life of Sister Mary of St. Peter. He was a member of the Priests of the Holy Face. He died in 1888.