Question: What emperor of Austria was Stéphanie Windisch-Graetz descended from?
Sentence (from "Stéphanie Windisch-Graetz"): Stéphanie Windisch-Graetz (born 17 July 1939) is the daughter of Prince Franz Joseph zu Windisch-Graetz and granddaughter of Archduchess Elisabeth Marie of Austria.
Relevant evidence: Yes