Daughter of Frederick Augustus Hervey, earl of Bristol; after a brief marriage to Thomas Foster she became the mistress (1782) and later spouse (1809) of William Cavendish, fifth duke of Devonshire.

REFERENCES TO Elizabeth Christiana Cavendish, duchess of Devonshire [née Hervey]:

Duchess of Devonshire to Lady Melbourne, [17 December 1801] in In Whig Society 1775-1818: Compiled from the hitherto unpublished Correspondence of Elizabeth, Viscountess Melbourne, and Emily Lamb, Countess Cowper, afterwards Viscountess Palmerston (London: Hodder and Stoughton LTD., 1921)

Sir Robert Adair to Lady Melbourne, 27 September 1802 in In Whig Society 1775-1818: Compiled from the hitherto unpublished Correspondence of Elizabeth, Viscountess Melbourne, and Emily Lamb, Countess Cowper, afterwards Viscountess Palmerston (London: Hodder and Stoughton LTD., 1921)

Frederick Foster to Lady Melbourne, [November 1802] in In Whig Society 1775-1818: Compiled from the hitherto unpublished Correspondence of Elizabeth, Viscountess Melbourne, and Emily Lamb, Countess Cowper, afterwards Viscountess Palmerston (London: Hodder and Stoughton LTD., 1921)

George Robinson to Lady Melbourne, [21 November 1802] in In Whig Society 1775-1818: Compiled from the hitherto unpublished Correspondence of Elizabeth, Viscountess Melbourne, and Emily Lamb, Countess Cowper, afterwards Viscountess Palmerston (London: Hodder and Stoughton LTD., 1921)

The Prince Regent to Lady Melbourne, 6 February 1805 in In Whig Society 1775-1818: Compiled from the hitherto unpublished Correspondence of Elizabeth, Viscountess Melbourne, and Emily Lamb, Countess Cowper, afterwards Viscountess Palmerston (London: Hodder and Stoughton LTD., 1921)

Duke of Richmond to Lady Melbourne, 2 April 1806 in In Whig Society 1775-1818: Compiled from the hitherto unpublished Correspondence of Elizabeth, Viscountess Melbourne, and Emily Lamb, Countess Cowper, afterwards Viscountess Palmerston (London: Hodder and Stoughton LTD., 1921)

Eleanor Creevey to Elizabeth Ord, 12 September 1806 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Lady Holland to Eleanor Creevey, [October? 1813] in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Lord Byron to Thomas Moore, 27 March 1815 in Letters and Journals of Lord Byron 2 Vols (London: John Murray, 1830)

Lady Morgan to Lady Olivia Clarke, 17 December 1819 in Lady Morgan’s Memoirs: Autobiography, Diaries and Correspondence. Second Edition, Revised 2 vols (London: Wm. H. Allen & Co., 1863)

Lady Morgan to Lady Olivia Clarke, 4 February 1820 in Lady Morgan’s Memoirs: Autobiography, Diaries and Correspondence. Second Edition, Revised 2 vols (London: Wm. H. Allen & Co., 1863)

Gen. George Cockburn to Lady Morgan, 24 May 1823 in Lady Morgan’s Memoirs: Autobiography, Diaries and Correspondence. Second Edition, Revised 2 vols (London: Wm. H. Allen & Co., 1863)