Pierre de Montreuil
Pierre de Montreuil was the Master Mason at Saint-Germain des PrŽs. In the 1240s he built the Grande Chapelle de la Vierge. Tthe refectory is attributed to him as well, although no documentary evidence exists. Additionally, he was named Master of the Works at Notre-Dame where he was responsible for the South Transept facade.
He and his wife Agnes were buried in the chapel of Saint-Germain des PrŽs in 1267; his tombstone reads "Doctor lathomorum."