Originally Stewart; he was the half-brother of Lord Castlereagh, and served under Sir John Moore and the Duke of Wellington, fighting at Talavera; was minister to Prussia (1813) and ambassador at the Congress of Vienna (1814) and held a variety of diplomatic and court positions.

REFERENCES TO Charles William Vane, third marquess of Londonderry:

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)

Thomas Creevey to Elizabeth Ord, 8 November 1825 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Earl of Sefton to Thomas Creevey, 13 April 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, 23 February 1828 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Samuel Rogers to Richard Sharp, 19 March, 1835 in Samuel Rogers and his Contemporaries 2 Vols (London: Smith, Elder & Co., 1889)

Samuel Rogers to Sarah Rogers, 18 March, 1835 in Samuel Rogers and his Contemporaries 2 Vols (London: Smith, Elder & Co., 1889)