Whig peer, the son of William Cavendish, fourth duke of Devonshire; after succeeding to the title in 1764 he married the famous Lady Georgiana Spencer in 1774.

REFERENCES TO William Cavendish, fifth duke of Devonshire:

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 in In Whig Society 1775-1818: Compiled from the hitherto unpublished Correspondence of Elizabeth, Viscountess Melbourne, and Emily Lamb, Countess Cowper, afterwards Viscountess Palmerston (London: Hodder and Stoughton LTD.,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

Duchess of Devonshire? to Lady Melbourne, 20 February 1802 in In Whig Society 1775-1818: Compiled from the hitherto unpublished Correspondence of Elizabeth, Viscountess Melbourne, and Emily Lamb, Countess Cowper, afterwards Viscountess Palmerston (London: Hodder and Stoughton LTD.,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)

Sydney Smith to Francis Jeffrey, [16] June 1808 in A Memoir of the Reverend Sydney Smith. By his Daughter, Lady Holland. With a Selection from his Letters, edited by Mrs. Austin 2 vols (London: Longman, Brown, Green, and Longmans, 1855)

Lord Holland to William Godwin, 11 May 1808 in William Godwin: his Friends and Contemporaries (London: Henry S. King & Co., 1876)

Henry Brougham to Thomas Creevey, [May?] 1810 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

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

Henry Grey Bennet to Thomas Creevey, 21 July 1816 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Lord Holland to Thomas Creevey, 4 July 1817 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Lady Morgan to an anonymous correspondent, 1837 in Lady Morgan’s Memoirs: Autobiography, Diaries and Correspondence. Second Edition, Revised 2 vols (London: Wm. H. Allen & Co., 1863)