 Gratus of Aosta

Saint Gratus of Aosta (, ) (d. September 7, c. AD 470) was a bishop of Aosta and is the city's patron saint.It is thought that both Gratus and Eustasius were of Greek origin and that they received their education and ecclesiastical formation from the type of monastic foundation in Italy established by Eusebius of Vercelli, which was modeled on that of the Eastern cenobites.