Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.

Context : Alexandra Prinzessin von Hannover (nee Alexandra Sophie Cecilie Anna Maria Friederike Benigna Dorothea Prinzessin zu Ysenburg und Budingen; 23 October 1937 -- 1 June 2015) was a German politician, philanthropist, and wife of Prince Welf Henry of Hanover.
Answer : Prince Welf Henry of Hanover
What is Alexandra Prinzessin von Hannover's spouse's name?