# John, Duke of Östergötland

> Swedish prince

**Wikidata**: [Q1383646](https://www.wikidata.org/wiki/Q1383646)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/John,_Duke_of_Östergötland)  
**Source**: https://4ort.xyz/entity/john-duke-of-sterg-tland


## References

1. BiographySampo
2. The National Biography of Finland
3. LIBRIS. 2012
4. CERL Thesaurus
5. [Johan av Östergötland. Dictionary of Swedish National Biography](https://sok.riksarkivet.se/Sbl/Presentation.aspx?id=12100)
6. Genealogics
7. Freebase Data Dumps. 2013
8. [LIBRIS. 2012](https://libris.kb.se/katalogisering/42gjk8sn3cnfjbz)
9. Sejm-Wielki.pl