The son of the second earl; he was educated at Trinity College, Cambridge and was a Whig MP (1826-45) when he succeeded his father. He was secretary for the colonies (1846-52).

REFERENCES TO Henry George Grey, third earl Grey:

Sydney Smith to Lord Grey, 3 December 1819 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)

Thomas Creevey to Elizabeth Ord, 13 September 1821 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Maria Copley to Thomas Creevey, 12 January 1823 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Thomas Creevey to Elizabeth Ord, 20 October 1824 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Sydney Smith to Lady Grey, 29 January 1826 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)

Thomas Creevey to Elizabeth Ord, 23 June 1827 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Thomas Creevey to Elizabeth Ord, 9 August 1827 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Sydney Smith to Lady Grey, 13 July 1829 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)

Sydney Smith to Lady Grey, 6 September 1829 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)

Thomas Creevey to Elizabeth Ord, 27 March 1832 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Thomas Creevey to Elizabeth Ord, 4 November 1834 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Thomas Creevey to Elizabeth Ord, 12 November 1834 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Thomas Creevey to Elizabeth Ord, 25 November 1834 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Sydney Smith to Lady Grey, 4 February 1835 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)

Thomas Creevey to Elizabeth Ord, 20 May 1835 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Sydney Smith to Sir Robert John Wilmot Horton, 15 July 1835 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)

Thomas Creevey to Elizabeth Ord, 28 March 1836 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Sydney Smith to Sir Robert John Wilmot Horton, September 1836 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)

Thomas Creevey to Elizabeth Ord, 2 May 1837 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Thomas Creevey to Elizabeth Ord, 27 January 1838 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Sydney Smith to Georgiana Meynell Ingram, October 1839 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)

Sydney Smith to Lady Grey, 8 October 1841 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)

Sydney Smith to Lady Grey, 10 January 1842 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)

Sydney Smith to Lady Grey, [3 January] 1844 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)

Sydney Smith to Lady Grey, [27] February 1844 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)

Sydney Smith to Lady Grey, 25 September 1844 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)

Frederick Grey to Samuel Rogers, 17 July 1845 in Samuel Rogers and his Contemporaries 2 Vols (London: Smith, Elder & Co., 1889)