Alexander, king of Scots, for William of Swinburne; has granted donation made by Reginald Prat, knight, of lands of Halton (Northumberland); and land Reginald has in 'Huntland'; and of manor of Williamston (Northumberland) in feu of Knaresdale (Northumberland); and of lands John Hok and Robert Darybald hold under Reginald within boundaries of Slaggyford (Northumberland) on west side of Tyne in feu of Knaresdale; as it is attested in a final agreement made before John of Eslington and Richard of Bickerton, itinerant justiciars in Tynedale in A.D. 1257.