Its patron is St. Aventin whose remains were donated to the church in 1605 by the Chapitre St Etienne in Troyes. 12th and 16th centuries building. The west portal in part from the 19th century, the other part and the tower dating from the second half of the 12th century. Rectangular in shape with three sides and vaulting. Vaulted five-span nave with side-aisles. Significant stained glass windows from the 16th century, complemented by more modern ones by Max Ingrand (1958). 13th century Virgin. Curious 14th century tombstone.