This mansion in St James's, London is the property of a nobleman who was the younger brother of who?
Spencer House, London: Spencer House at 27 St. James's Place is a mansion in St James's, London, and is the property of the Earl Spencer. Charles Spencer, 9th Earl Spencer: Charles Edward Maurice Spencer, 9th Earl Spencer, (born 20 May 1964), styled Viscount Althorp between 1975 and 1992, is a British nobleman, peer, author, print journalist, and broadcaster, and was the younger brother of Diana, Princess of Wales.
Diana, Princess of Wales