Alexander III (Mediaeval Gaelic: Alaxandair mac Alaxandair; Modern Gaelic: Alasdair mac Alasdair), King of Scots, was born at Roxburgh on 4 September 1241 and died on 19 March, 1286.
He was the only son of Alexander II with his second wife, Marie de Coucy. Alexander's father died on 6 July 1249 and he officially became king at the age of eight. This happened at Scone on 13 July, 1249.