Question: When did Princess Amélie Louise Of Arenberg's husband die?
Sentence (from "Princess Amélie Louise of Arenberg"): Amalie Luise, Prinzessin und Herzogin von Arenberg" and full French name: "Amélie Louise, princesse et duchesse d'Arenberg", (born 10 April 1789 in Brussels, Austrian Netherlands; died 4 April 1823 in Bamberg, Kingdom of Bavaria) was a member of the House of Arenberg by birth and, through her marriage to Duke Pius August in Bavaria, a member of the Palatinate-Birkenfeld-Gelnhausen line of the House of Wittelsbach.
Relevant evidence: Yes