The origins of the convent date back to periods prior to 1138. Recent discoveries made during the restoration of the convent were allowed to add another piece to the history of the Roman territory. Behind the apse of the church, was found a Roman floor with bricks arranged herringbone. The hypothesis for the reliability of this discovery is that the same site already in Roman times was occupied by a building of sacred origin. The conventual complex was built in 1268 during the pontificate of the Franciscan Pope Clement IV alongside an existing church dedicated to St. Agnes, not far from the Benedictine monastery of St. Mary Agraiano in the village of St. Pio. Over the centuries the complex has undergone several changes. The convent has, in the cloister, the core around which are the various environments and the monastic church of the fourteenth century. Worthy of note are the different columns and capitals of the porch. It is clear that the spirit of Renaissance influenced the late fifteenth reconstruction. The facade of the church has a beautiful Romanesque portal. In the votive lunette, which is above, we can see St. Clare, right, in modest attitude, while left, St. Francis kneeling offers himself with the left hand on the heart to the baby Jesus, who in the womb to the Blessed Mother Mary and the globe in his left hand (Salvator Mundi) accepts and blesses him.