Question: What is the date of death of Princess Victoria Of Hesse And By Rhine's husband?
Sentence (from "Prince Louis of Battenberg"): Admiral of the Fleet Louis Alexander Mountbatten, 1st Marquess of Milford Haven, (24 May 1854 – 11 September 1921), formerly Prince Louis Alexander of Battenberg, was a British naval officer and German nobleman related to the British royal family.
Relevant evidence: Yes