Under the Norman abbot Robert de Grantmesnil, several monks of Saint-Evroul fled to southern Italy, where they were patronised by Robert Guiscard and established a Latin monastery at Sant'Eufemia.
Under ledelse af den normanniske abbed Robert af Grantmesnil, drog adskillige munke fra Saint-Evroul til Syditalien, hvor de fik støtte af Robert Guiscard og oprettede et kloster i Sant'Eufemia.