# Pierre IV de Gruyère

> count of Gruyère

**Wikidata**: [Q3385518](https://www.wikidata.org/wiki/Q3385518)  
**Source**: https://4ort.xyz/entity/pierre-iv-de-gruy-re


## References

1. Genealogics
2. [Source](https://www.google.fr/books/edition/Dictionnaire_biographique_des_Genevois_e/NFJfY12UjaEC?hl=fr&gbpv=1&dq=Pierre+de+gruy%C3%A8re+bailli+de+vaud+1329&pg=PA403&printsec=frontcover)
3. [Source](https://www.e-periodica.ch/cntmng?type=pdf&pid=fsj-004:2013:40::302)