# Sweyn III of Denmark

_King of Denmark_

Canonical: https://diginpl.com/people/sweyn-iii-of-denmark
Last updated: 2026-11-05

> 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. 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.

## Quick facts

- **Born:** 1125 ([Wikidata](https://www.wikidata.org/wiki/Q381042#P569))
- **Died:** 23 October 1157 ([Wikidata](https://www.wikidata.org/wiki/Q381042#P570))
- **Place of death:** Gråhede ([Wikidata](https://www.wikidata.org/wiki/Q381042#P20))
- **Citizenship:** Kingdom of Denmark ([Wikidata](https://www.wikidata.org/wiki/Q381042#P27))
- **Occupation:** monarch ([Wikidata](https://www.wikidata.org/wiki/Q381042#P106))
- **Spouse:** Adela of Meissen ([Wikidata](https://www.wikidata.org/wiki/Q381042#P26))
- **Positions held:** Monarch of Denmark (1146–1154) ([Wikidata](https://www.wikidata.org/wiki/Q381042#P39))

## Questions

**When was Sweyn III of Denmark born?**  
Sweyn III of Denmark was born on 1125.

**What positions has Sweyn III of Denmark held?**  
Positions held by Sweyn III of Denmark include: Monarch of Denmark (1146–1154).

## Related

- [Christian X](https://diginpl.com/people/christian-x)
- [Frederik X](https://diginpl.com/people/frederik-x)
- [Harald Klak](https://diginpl.com/people/harald-klak)
- [Halfdan the Old](https://diginpl.com/people/halfdan-the-old)
- [Sigfred](https://diginpl.com/people/sigfred)
- [Randver](https://diginpl.com/people/randver)

## Sources

- [Wikipedia (English): Sweyn III of Denmark](https://en.wikipedia.org/wiki/Sweyn_III_of_Denmark) — [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)
- [Wikidata item Q381042](https://www.wikidata.org/wiki/Q381042) — [CC0 1.0](https://creativecommons.org/publicdomain/zero/1.0/)
- [Image: Swen.jpg by Anonymous Unknown author (Public domain)](https://commons.wikimedia.org/wiki/File:Swen.jpg)

## Licence and attribution

Text from the Wikipedia article Sweyn III of Denmark, licensed under CC BY-SA 4.0. This page's text is shared under the same licence. Facts from Wikidata (CC0). Image: Swen.jpg — Anonymous Unknown author, Public domain.

## Cite this page

"Sweyn III of Denmark". DigiNepal. Last updated 5 November 2026. https://diginpl.com/people/sweyn-iii-of-denmark. Retrieved 9 November 2026.