 It was destroyed twice during the invasions of the Normans in the 9th and early 10th centuries, and re-founded as a Cistercian abbey in the 12th century by the Bishop of Beauvais.The relics of Saint Germer were moved from Beauvais Cathedral to the abbey in 1132.In the decade of 1130 the abbey built a basilica church in an advanced Romasque style that permitted an unusual amount of light into the interior of the church.