Background
Archduchess Ilona (Helene) of Austria was born in Budapest, Hungary the second daughter and child of Archduke Joseph Francis of Austria and his wife Princess Anna of Saxony.
Palatine head of the House of Mecklenburg
Archduchess Ilona (Helene) of Austria was born in Budapest, Hungary the second daughter and child of Archduke Joseph Francis of Austria and his wife Princess Anna of Saxony.
Titles and styles Her Imperial and Royal Highness Archduchess Ilona, Princess Imperial and Archduchess of Austria. Princess Royal of Hungary and Bohemia Her Imperial and Royal Highness Archduchess Ilona, Duchess of Mecklenburg, Princess Imperial and Archduchess of Austria. Princess Royal of Hungary and Bohemia Honours.