

Illegitimate daughter of cardinal-infante Ferdinand of Austria. Professed nun in the monastery of las Descalzas Reales in Madrid
Mariana of Austria (* 26. July 1641 in Brussels; † 3. September 1715 in Madrid) was an illegitimate daughter of cardinal-infante Ferdinand of Austria. Professed nun in the monastery of las Descalzas Reales in Madrid. She was 74 years old.