 Immediately afterwards, the two earls rebelled.Roger, who was to bring his force from the west to join forces with those of the Earl of Norfolk, was held in check at the River Severn by the Worcestershire fyrd, which the English Bishop Wulfstan, Walter de Lacy, and other Normans.On the collapse of their rebellion uprising, Roger was tried for treason before the Great Council, for his role in the Revolt of the Earls.