# Jacob Svetoslav

_Emperor (tsar) of Bulgaria_

Canonical: https://diginpl.com/people/jacob-svetoslav
Last updated: 2026-11-07

> Jacob Svetoslav was a prominent 13th-century Bulgarian noble (bolyarin) of Rus' origin. Bestowed the title of despot, Jacob Svetoslav was the ruler of a widely autonomous domain of the Second Bulgarian Empire most likely located around Sofia. Seeking further independence and claiming the title of Emperor of Bulgaria, he twice changed allegiance from Bulgaria to the Kingdom of Hungary and vice versa, and the Hungarians recognized his Bulgarian royal rank as their vassal and ruler of Vidin.

## Quick facts

- **Place of death:** Vidin ([Wikidata](https://www.wikidata.org/wiki/Q523717#P20))
- **Citizenship:** Bulgaria; Tsardom of Vidin ([Wikidata](https://www.wikidata.org/wiki/Q523717#P27))
- **Occupation:** military leader ([Wikidata](https://www.wikidata.org/wiki/Q523717#P106))
- **Positions held:** tsar ([Wikidata](https://www.wikidata.org/wiki/Q523717#P39))

## Questions

**What positions has Jacob Svetoslav held?**  
Positions held by Jacob Svetoslav include: tsar.

## Related

- [Lazar of Serbia](https://diginpl.com/people/lazar-of-serbia)
- [Boris I of Bulgaria](https://diginpl.com/people/boris-i-of-bulgaria)
- [Simeon Bekbulatovich](https://diginpl.com/people/simeon-bekbulatovich)
- [Ariobarzanes II of Atropatene](https://diginpl.com/people/ariobarzanes-ii-of-atropatene)
- [Alusian of Bulgaria](https://diginpl.com/people/alusian-of-bulgaria)
- [Vikrantavarman II](https://diginpl.com/people/vikrantavarman-ii)

## Sources

- [Wikipedia (English): Jacob Svetoslav](https://en.wikipedia.org/wiki/Jacob_Svetoslav) — [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)
- [Wikidata item Q523717](https://www.wikidata.org/wiki/Q523717) — [CC0 1.0](https://creativecommons.org/publicdomain/zero/1.0/)
- [Image: Yakovsvetoslavcoin.jpg by Unknown author Unknown author (Public domain)](https://commons.wikimedia.org/wiki/File:Yakovsvetoslavcoin.jpg)

## Licence and attribution

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

## Cite this page

"Jacob Svetoslav". DigiNepal. Last updated 7 November 2026. https://diginpl.com/people/jacob-svetoslav. Retrieved 10 November 2026.