# Bertha of Rheinfelden

> Countess of Bregenz (c.1065-c.1133)

**Wikidata**: [Q52304468](https://www.wikidata.org/wiki/Q52304468)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Bertha_of_Rheinfelden)  
**Source**: https://4ort.xyz/entity/bertha-of-rheinfelden


## References

1. The Peerage
2. Sejm-Wielki.pl