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Information about reign: King Duncan I

To14 August 1040
Personal InformationKing Duncan I of Scotland (1001 - 1040)

Donnchad mac Crinain (Modern Gaelic: Donnchadh mac Crìonain; anglicised as Duncan I, and nicknamed An t-Ilgarach, "the Diseased" or "the Sick") was king of Scotland (Alba) from 1034 to 1040. He is the historical basis of the "King Duncan" in Shakespeare's play Macbeth.