Francis had encamped the majority of his forces in the great walled park of Mirabello outside the city walls, placing them between Leyva's garrison and the approaching relief army.
Fifty years later, a bull of Pope Alexander III renewed the rights of the Benedictines of Mont Andaon over Mirabello, with obligation to serve the priory consecrated to the Beate Mariae Magdalena de Ponte Cantus Pernicis.
Based on an unpublished ethnographic study, several surnames are highly distinctive to this town; such that if encountered anywhere in the world, could likely be traced back to Mirabello: Centritto, Fantacone, Iademarco, Iafigliola, Margiasso, Spicciati, Sulmona, and Volpacchio.