David George Philip Cholmondeley, 7th Marquess of Cholmondeley, KCVO bornJune 1960, was styled from birth Viscount Malpas until 1968, and subsequently Earl of Rocksavage until 1990. He is a Peer of the United Kingdom, and as of 2016 serves as Lord Great Chamberlain of the United Kingdom, as a part holder of that office.
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Source: Wikipedia