Who was the wife of the richest man in Britian in the 1970s?
Viola Grosvenor, Duchess of Westminster: Viola Grosvenor, Duchess of Westminster (10 June 1912 – 3 May 1987) was the wife of Robert Grosvenor, 5th Duke of Westminster. Robert Grosvenor, 5th Duke of Westminster: Lieutenant-Colonel Robert George Grosvenor, 5th Duke of Westminster, {'1': ", '2': ", '3': ", '4': "} (24 April 1910 – 19 February 1979) was a British soldier, landowner, businessman and politician.
i don't know