Canonbie was the main population centre within the Debatable Lands, bounded on the west by the River Sark, to the east by the River Esk and Liddel Water, on the north by the Bruntshiell Moor and Tarras Moss, and on the south by the estuary of the Esk [REF].
Canonbie Parish had an Austin priory at Hallgreen, dating back to about 1165.