Question: Name the husband of Louise Mountbatten (previously Princess Louise of Battenberg) for whom the Teaterladan or barn theatre in Sweden was jointly restored?
Sentence (from "Arthur Collins (courtier)"): He attended Princess Louise in her role as the wife of John Campbell, 9th Duke of Argyll (at that time Marquis of Lorne), who was Governor General and Vice Regent of Canada between 1878 and 1883.
Relevant evidence: No