 Their conflict with the Filippeschi surfaced in 1212.At Castiglione the fortress of the Monaldeschi was built in the fourteenth century with the rubble of the Castle of Paterno destroyed by Gerardo di Corrado Monaldeschi.The Monaldeschi towerhouse that rises above the rooftops of Civitella d'Agliano, overtopping the "campanile" of the church, still evokes the feudal power of the Monaldeschi at the limits of Umbria, on the banks of the Tiber; they were dislodged from Agliano by the Papacy in 1415, following the distracting Western Schism that had served to protract the Monaldeschi's medieval power.