Question: When did Alexandra Prinzessin Von Hannover's husband die?
Sentence (from "Prince Welf Henry of Hanover"): Prince Welf Henry of Hanover(" Welf Heinrich Ernst August Georg Christian Berthold Friedrich Wilhelm Louis Ferdinand Prinz von Hannover"; 11 March 1923 – 12 July 1997) was the fourth son of Ernest Augustus, Duke of Brunswick and his wife Princess Victoria Louise of Prussia, the only daughter of Wilhelm II, German Emperor and Augusta Viktoria of Schleswig- Holstein.
Relevant evidence: Yes