 In the 13th century, Riccia became part of the Monastery St. Pietro e Severo (St. Peter and St. Xavier), located in the nearby town of Torremaggiore.This ecclesiastical feudalism lasted throughout the Hohenstaufen period.In 1238, Frederick II linked the properties of the castle of Riccia with that at the town of St. Severo, and exchanged it for the monastery at Torremaggiore.