Premise: Uchtred or Uhtred, called the Bold, (d. 1016) was the ealdorman of all Northumbria from 1006 to 1016, when he was assassinated. He was the son of Waltheof I, ealdorman of Bamburgh, whose ancient family had ruled from the castle of Bamburgh on the Northumbrian coast.
Hypothesis: At the time of death of Uchtred, the ealdorman of Northumbria served them for almost 10 years.