Lieutenant-Colonel Robert George Grosvenor, 5th Duke of Westminster, (24 April 1910 – 19 February 1979), was a British soldier, landowner, businessman and politician. In the 1970s he was the richest man in Britain.
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Background and early life
Grosvenor was born Mr. Robert Grosvenor, younger son of Lord Hugh Grosvenor, himself the sixth son and tenth child of the 1st Duke of Westminster by his second wife, the Hon. Katherine Cavendish, daughter of the 2nd Baron Chesham. Grosvenor's mother, Lady Mabel Crichton, was the daughter of the 4th Earl of Erne.
Grosvenor was educated at Eton College, an all-boys public boarding school in Berkshire. He was a member of the school's contingent of the junior division of the Officer Training Corps. He reached the rank of cadet lance corporal.