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 people's 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 Edward's 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 Mortimer's successful invasion of England, Edward III was crowned and rebels were pardoned including the Folville family who were celebrated locally with the Folville Cross, said to be located at the site of de Beler's murder.