Sweyn III of Denmark
King of Denmark · Denmark · On the map · Historical Figures · Lived 1125 to 1157 · aged 32
Sweyn III Grathe was the king of Denmark between 1146 and 1157, in shifting alliances with Canute V and his own cousin Valdemar I. In 1157, the three agreed to a tripartition of Denmark.
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Sweyn attempted to kill his rivals at the peace banquet, and was subsequently defeated by Valdemar I at the Battle of Grathe Heath and killed.