Richard Mack

Richard Mack, who lived from 1896 to 1967, was married to Dorothy Grosvenor, a noblewoman. Dorothy Grosvenor was the wife of Harry Primrose, the 6th Earl of Rosebery, and daughter-in-law of Archibald Primrose, the 5th Earl of Rosebery, who was a British Liberal politician and Prime Minister of the United Kingdom. Harry Primrose, the 6th Earl of Rosebery, was a British politician who lived from 1882 to 1974, and Dorothy Grosvenor lived from 1890 to 1966.