 References to a king "Asketil" who with three other kings in 874 sacked Repton, are found in 12th-century surveys by the Monks of Burton Abbey.This was during the campaign of King Ceolwulf II and the Great Heathen Army to overthrow King Burgred.The four kings were allocated lands in a partitioned Mercia corresponding to the modern shires of Lincoln, Nottingham, Derby and Leicester.