After the death of Llywelyn in 1282, each further new attempt by the bishop of Llanelwy failed: the Cistercian monks of Aberconwy Abbey (where Llywelyn the Great, Llywelyn's grandfather, had died in 1240) insisted that it be allowed to keep the independence that had belonged to it for 29 years, and ripped down any banners related to the Bishopric or to Edward I. A century later, the monastery was moved 8 miles upriver to Maenan Abbey, near Llanrwst. [