# Costanza d'Avalos, Duchess of Francavilla

> Italian ruler

**Wikidata**: [Q11964141](https://www.wikidata.org/wiki/Q11964141)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Costanza_d'Avalos,_Duchess_of_Francavilla)  
**Source**: https://4ort.xyz/entity/costanza-d-avalos-duchess-of-francavilla


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. Virtual International Authority File
4. CERL Thesaurus
5. Dizionario Biografico degli Italiani
6. Digital Scriptorium Catalog