Empress Zita of Bourbon-Parma with her children – Otto of Austria (Crown Prince Otto), Adelaide of Austria (Archduchess Adelheid), Robert of Austria (
Robert, Archduke of Austria-Este), Felix of Austria (Archduke Felix), Charles Louis of Austria (Archduke Carl Ludwig), Rudolf of Austria (
Archduke Rudolf), Charlotte of Austria (Charlotte, Duchess of Mecklenburg), Elizabeth of Austria (Elisabeth, Princess Heinrich of Liechtenstein) – in Brussels, Belgium, 1920s