 Complete the following phrase:  The family gained renown during the reign of Edward II, when they ambushed and killed the Baron of the Exchequer, Roger de Beler. Hugh le Despenser, 1st Earl of Winchester had been stealing peoples lands in Leicestershire, using Roger de Beler as an enforcer, and in 1325 de Beler had threatened the Folville family with violence. By the beginning of 1326 much of the country had turned against Edward and the Despencers and preparations for a rebellion led by Edwards wife, Queen Isabella and Roger Mortimer had started. The Folville family, headed by Eustace Folville, and encouraged by Sir Roger la Zouch, Lord of Lubbesthorpe murdered de Beler before fleeing to Paris. Following Isabella and Mortimers successful 