Francisco Fernando Isidro de Austria
Illegitimate son of Philip IV of Spain (–)
Parents
Children
Siblings
- Alonso Antonio de San Martín
- Philip Prospero, Prince of Asturias
- Maria von Habsburg
- Maria Theresa of Spain
- Infanta Maria Ana Antonia of Spain
- Marie Margarita von Habsburg
- John of Austria the Younger
- Alonso Henríquez de Santo Tomás
- Ana Margarita de San José
- Margaret Theresa of Spain
- Carlos Fernando de Austria y Manrique
- Infanta Maria Eugenia of Spain
- Balthasar Charles
- Charles II of Spain
- Fernando Tomás de Austria
- Juan Cossío
- Margarita Catalina von Habsburg
- Isabella Teresa von Habsburg