# Pierre Ier de Gruyère

> count of Gruyère

**Wikidata**: [Q3385527](https://www.wikidata.org/wiki/Q3385527)  
**Source**: https://4ort.xyz/entity/pierre-ier-de-gruy-re


## References

1. [Source](https://www.e-periodica.ch/cntmng?type=pdf&pid=fsj-004:2013:40::302)