Question: What is the date of death of Duchess Auguste Of Württemberg's husband?
Sentence (from "Duchess Auguste of Württemberg"): Duchess "Auguste" Elisabeth of Württemberg (in German: "Auguste Elisabeth, Herzogin von Württemberg"; 30 October 1734 – 4 June 1787) was a member of the Ducal House of Württemberg and a Duchess of Württemberg by birth.
Relevant evidence: No