sentences:  He also dealt with a dispute over the rights of a Norman abbey, Lyre Abbey, over churches it possessed in the diocese of Hereford, settling it by making the churches part of a prebend in Hereford Cathedral held by the abbot of Lire.Mapenor supported the new king Henry III in his efforts to suppress the rebellion begun under Henry's father, King John.Mapenor was with the forces of the king before the Battle of Lincoln in May 1217.