Donnchad mac Crinain was king of Scotland from 1034 to 1040. He is the historical basis of the "King Duncan" in Shakespeare's play Macbeth. Wikipedia
Born: 1001, Atholl, United Kingdom
Died: August 14, 1040 (age 39 years), Elgin, United Kingdom
Children: Malcolm III of Scotland, Donald III of Scotland, Máel Muire, Earl of Atholl, and more
Parents: Crínán of Dunkeld and Bethóc
Grandparents: Malcolm II of Scotland and Duncan, Mormaer of Atholl
Grandchildren: David I of Scotland, Duncan II of Scotland, Edgar, King of Scotland, and more
Spouse: Suthen (m. 1030)