Caroline Temple-Grenville, Duchess of Buckingham and Chandos
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Caroline Harvey is also a pseudonym used by author Joanna Trollope.
Caroline Temple-Nugent-Brydges-Chandos-Grenville (nee Harvey), Duchess of Buckingham and Chandos (11 December 1823 - 28 February 1874) was the first wife of Richard Temple...Grenville, 3rd Duke of Buckingham and Chandos, and notable mainly for that fact. She married him on 2 October 1851, when the duke was still Marquess of Chandos (a courtesy title possessed by his father), and therefore she would have been styled Marchioness of Chandos. In 1861, she became Duchess of Buckingham and Chandos, after her father-in-law's death.