# Costantino Mario Ruspoli, 4th Prince of Poggio Suasa

> Italian noble

**Wikidata**: [Q5175020](https://www.wikidata.org/wiki/Q5175020)  
**Source**: https://4ort.xyz/entity/costantino-mario-ruspoli-4th-prince-of-poggio-suasa


## References

1. The Peerage
2. Catalog of the German National Library
3. German National Library