Alexander II (Mediaeval Gaelic: Alaxandair mac Uilliam; Modern Gaelic: Alasdair mac Uilleim; 24 August 1198 – 6 July 1249) was King of Scotland from 1214 until his death.
He concluded the Treaty of York (1237) which defined the boundary between England and Scotland, virtually unchanged today.
Author: Not given Source: The Pictorial History of Scotland from the Roman Invasion to the close of the Jacobite Rebellion. A.D. 79-1646, 2 vols, vol. i, (London, 1859), facing page 74. License: PD US