Donald I, king of the Picts (b. 812)
Domnall mac Ailpín (Modern Gaelic: Dòmhnall mac Ailpein), anglicised sometimes as Donald MacAlpin and known in most modern regnal lists as Donald I (812 – 13 April 862), was King of the Picts from 858 to 862. He followed his brother Kenneth I to the Pictish throne.