In the Chronicle of Benedict of Soracte under the year 921, the aecclesia Sancti Eusebii iuxta macellum parvum (church of Sant'Eusebio next to the small market) is mentioned.
The historical account from the Chronicle of Benedict of Soracte in 921 specifically mentions a church called the ecclesia Sancti Eusebii iuxta macellum parvum, which was located near a small marketplace.