 Quiricus and Giulitta to Bishop Rainerius (1074–1084), and ordered all its monks and laypersons to obey him in all things.In 1215, when the monks had murdered their abbot and dissipated their income, Pope Innocent III had them expelled, and introduced the Premonstratensians in their place.In 1228, Pope Gregory IX (dei Conti di Segni) was driven out of Rome by the supporters of the Emperor Frederick II; he spent a month in April and May in exile in Rieti, before moving to other places of refuge.