 They did not take the county, and retreated to Wales to plan further raiding.During the widespread wave of English rebellions in 1069–70, he burned the town of Shrewsbury and unsuccessfully besieged Shrewsbury Castle, again helped by his Welsh allies from Gwynedd, as well as other English rebels from Cheshire.It was probably this combination of forces which was decisively defeated by William in a battle at Stafford in late 1069.