# Princess Johanna of Courland

> Duchess of Acerenza (1783-1876)

**Wikidata**: [Q20029240](https://www.wikidata.org/wiki/Q20029240)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Princess_Joanna_of_Courland)  
**Source**: https://4ort.xyz/entity/princess-johanna-of-courland


## References

1. [Source](https://kalliope-verbund.info/DE-611-BF-13508)
2. CERL Thesaurus
3. Catalog of the German National Library
4. Sejm-Wielki.pl