# Anna of Oldenburg

> Regent of East Frisia from 1540 to 1561

**Wikidata**: [Q467837](https://www.wikidata.org/wiki/Q467837)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Anna_of_Oldenburg)  
**Source**: https://4ort.xyz/entity/anna-of-oldenburg


## References

1. Integrated Authority File
2. The Peerage
3. Freebase Data Dumps. 2013
4. Virtual International Authority File
5. CERL Thesaurus
6. Sejm-Wielki.pl