High Quality Content by WIKIPEDIA articles George Horatio Charles Cholmondeley, 5th Marquess of Cholmondeley GCVO (pronounced /ˈtʃʌmli/ (deprecated template); 19 May 1883 - 16 September 1968), styled Earl of Rocksavage from birth until 1923, was a British peer. He was the Lord Great Chamberlain of England in 1936 and also between 1952 and 1966.