# Bertha of Sulzbach

> Byzantine empress of German descent

**Wikidata**: [Q241451](https://www.wikidata.org/wiki/Q241451)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Bertha_of_Sulzbach)  
**Source**: https://4ort.xyz/entity/bertha-of-sulzbach


## References

1. Source
2. Library of Congress Name Authority File
3. Freebase Data Dumps. 2013
4. CERL Thesaurus
5. Integrated Authority File
6. HMML Authority File