Robert Stewart, Viscount Castlereagh, Lord Castlereagh, 2d marquess of Londonderry
1769–1822
Statesman. Styled Viscount Castlereagh from 1796. Chief secretary of Ireland, 1798–1801. President, (East India) Board of Control, 1802–5. Secretary of state for the War and Colonial Department, 1805; secretary of state for war, 1807–9. Foreign secretary, 1812–22. Succeeded as 2d marquess of Londonderry in 1821.
Source
DNB
Bibliography
DNB: Dictionary of national biography. Edited by Leslie Stephen and Sidney Lee. 63 vols. and 2 supplements (6 vols.). London: Smith, Elder & Co. 1885–1912. Dictionary of national biography 1912–90. Edited by H. W. C. Davis et al. 9 vols. London: Oxford University Press. 1927–96.
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