# Francisco Fernando Isidro de Austria

> Illegitimate son of Philip IV of Spain

**Wikidata**: [Q75286638](https://www.wikidata.org/wiki/Q75286638)  
**Source**: https://4ort.xyz/entity/francisco-fernando-isidro-de-austria


## References

1. [Source](https://dialnet.unirioja.es/servlet/articulo?codigo=2672676)
2. The Peerage