Pipe rolls now in the Cotton Library at the British Museum. Exactly when the Pipe rolls began to be produced is debated amongst historians. Some hold that they date from Henry I's reign, whether early or late in the reign, but others feel that they were introduced by King William I (reigned 1066–1087). The precursors of the records probably date to the Anglo-Saxon period, as the historian Pauline Stafford argues that financial records must have been kept in some form during the reigns of Cnut (reigned 1016–1035), Æthelred II (reigned 978–1016), and Edgar the Peaceable (reigned 959–975). There is a reference to
Edward the Confessor and he was succeeded by Edward's older half-brother Edmund Ironside, who carried on the fight against Sweyn's son, Cnut. According to Scandinavian tradition, Edward fought alongside Edmund; as Edward was at most thirteen years old at the time, the story is disputed. Edmund died in November 1016, and Cnut became undisputed king. Edward then again went into exile with his brother and sister; in 1017 his mother married Cnut. In the same year Cnut had Edward's last surviving elder half-brother, Eadwig, executed, leaving Edward as the leading Anglo-Saxon claimant to the throne. Edward spent a quarter of a century in