# Gertrude Falkenstein

> morganatic wife of Friedrich Wilhelm I. von Hessen-Kassel

**Wikidata**: [Q90435](https://www.wikidata.org/wiki/Q90435)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Gertrude_von_Hanau)  
**Source**: https://4ort.xyz/entity/gertrude-falkenstein


## References

1. Integrated Authority File
2. The Peerage
3. Find a Grave
4. CERL Thesaurus
5. Catalog of the German National Library
6. Sejm-Wielki.pl