King Duncan  I  (The Gracious) of Scotland

King Duncan  I  (The Gracious) was born in 1013 in Atholl, Perth, Scotland.  King Duncan  I  (The Gracious)'s father was Crinan (Grimus) de Mormaer.  His paternal grandfather was Mormaer of Athol.  He was an only child.  He died at the age of 27 on August 14th, 1040 in Murdered by Mac Beth near Elgin, Scotland.

They had a son named King Malcolm  III  (Longneck).