Question: Princess Stephanie of Windisch-Graetz, was the daughter of Prince Otto Weriand of Windisch-Graetz, and was the only child of Rudolf, Crown Prince of Austria and Princess Stéphanie of Belgium?
Sentence (from "Archduchess Elisabeth Marie of Austria"): Later nicknamed "The Red Archduchess", she was famous for becoming a socialist and a member of the Austrian Social Democratic Party.
Relevant evidence: No