# Sweyn Haakonsson

_Earl of the house of Hlaðir and co-ruler of Norway_

Canonical: https://diginpl.com/people/sweyn-haakonsson
Last updated: 2026-11-09

> Sweyn Haakonsson was an earl of the house of Hlaðir and co-ruler of Norway from 1000 to c. 1015. He was the son of earl Hákon Sigurðarson. He is first mentioned in connection with the battle of Hjörungavágr, where the Heimskringla says he commanded 60 ships. After the battle of Svolder in the year 1000, Sveinn became co-ruler of Norway with his half-brother, Eiríkr Hákonarson. After Eiríkr went to England in 1014, Sveinn was co-ruler with Hákon Eiríksson. In 1015, Óláfr Haraldsson arrived in Norway and claimed the throne. He defeated Sveinn and his allies in the battle of Nesjar. Sveinn retreated to Sweden, intending to muster a force to retake Norway but he died of an illness before he could return.

## Quick facts

- **Born:** 966 ([Wikidata](https://www.wikidata.org/wiki/Q31709#P569))
- **Died:** 1016 ([Wikidata](https://www.wikidata.org/wiki/Q31709#P570))
- **Citizenship:** Norway ([Wikidata](https://www.wikidata.org/wiki/Q31709#P27))
- **Spouse:** Holmfrid of Sweden ([Wikidata](https://www.wikidata.org/wiki/Q31709#P26))
- **Positions held:** regent ([Wikidata](https://www.wikidata.org/wiki/Q31709#P39))

## Questions

**When was Sweyn Haakonsson born?**  
Sweyn Haakonsson was born on 966.

**What positions has Sweyn Haakonsson held?**  
Positions held by Sweyn Haakonsson include: regent.

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## Sources

- [Wikipedia (English): Sweyn Haakonsson](https://en.wikipedia.org/wiki/Sweyn_Haakonsson) — [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)
- [Wikidata item Q31709](https://www.wikidata.org/wiki/Q31709) — [CC0 1.0](https://creativecommons.org/publicdomain/zero/1.0/)

## Licence and attribution

Text from the Wikipedia article Sweyn Haakonsson, licensed under CC BY-SA 4.0. This page's text is shared under the same licence. Facts from Wikidata (CC0).

## Cite this page

"Sweyn Haakonsson". DigiNepal. Last updated 9 November 2026. https://diginpl.com/people/sweyn-haakonsson. Retrieved 14 November 2026.