# Saint Gregory of Ostia

> Cardenal de Ostia

**Wikidata**: [Q4149080](https://www.wikidata.org/wiki/Q4149080)  
**Source**: https://4ort.xyz/entity/saint-gregory-of-ostia


## References

1. Virtual International Authority File
2. Treccani's Enciclopedia on line
3. santiebeati.it