Sweyn III of Denmark

King of Denmark

1125

23 October 1157 (32) Grathe Heath, Denmark

NamesSweyn Eriksen

King of Denmark Sweyn III GratheIllustration of Sweyn III in the 13th-century Saxon World ChronicleKing of DenmarkReign1146–1157PredecessorEric III LambSuccessorValdemar I the GreatBornc. 1125 Died23 October 1157 (aged 31–32) Grathe Heath, DenmarkBurialGradehede, then Viborg CathedralConsortAdela of MeissenIssueUnnamed son Luitgard, Margravine of IstriaHouseEstridsenFatherEric II the MemorableMotherThunnaReligionRoman Catholicism Sweyn III Grathe (Danish: Svend III Grathe) (c. 1125 – 23 October 1157) 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 a tripartition of Denmark. 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.