From BiblePortal Wikipedia

Faustus [1]

the name of numerous early bishops and martyrs, among whom we notice here:

(1) A presbyter and archimandrite of Constantinople, active in the Eutychian controversy, A.D. 448-451.

(2) All Italian, confided in childhood by his parents to St. Benedict of Monte Casino, sent A.D. 543 to assist in founding the monastery of Glanfeuil, in Anjou, where he remained forty-six years. He is commemorated February 15.