Sir Andrew Harclay, Earl of Carlisle (d. 1323) was an important English military leader in the borderlands with Scotland during the reign of Edward II.
In 1315 Sir Andrew was Sherriff of Cumberland, and drove off Robert I of Scotland from a siege of Carlisle. More notably, in 1321 he defeated the rebel forces of Thomas, Earl of Lancaster at Boroughbridge, and the next year he was created Earl of Carlisle and Warden of the northern Marches.
Later in 1322, the new earl was at Edward's defeat by the Scots at Old Byland, and afterwards the north of England became very hard to defend against Scottish raiding. Apparently Carlisle decided to take matters into his own hands, and met with Robert I of Scotland to propose peace terms. His intentions were probably honorable, and the resulting proposal was not unreasonable, but nevertheless King Edward could deem it nothing less than treason. Carlisle was arrested, and executed on March 3, 1323.
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