# Gertrude of Sulzbach

> German Queen

**Wikidata**: [Q469830](https://www.wikidata.org/wiki/Q469830)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Gertrude_of_Sulzbach)  
**Source**: https://4ort.xyz/entity/gertrude-of-sulzbach


## References

1. Integrated Authority File
2. Source
3. The Peerage
4. Catalog of the German National Library
5. Freebase Data Dumps. 2013
6. Sejm-Wielki.pl