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Robert Stewart, 2nd Marquess of Londonderry (Lord Castlereagh)

Photo credit: National Portrait Gallery, London

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Usually known by his courtesy title 'Lord Castlereagh', Stewart entered Parliament in 1795. He first made his mark under Pitt as Chief Secretary for Ireland (1798–1801) when he crushed the Irish uprising and oversaw the Act of Union (1801). While Foreign Secretary (1812–1822) he was responsible for uniting the powers that overthrew Napoleonand became the chief architect of the Treaty of Vienna, 1815.

National Portrait Gallery, London


  • Date


  • Medium

    oil on canvas

  • Measurements

    74.3 x 61.6 cm

  • Accession number


  • Acquisition method

    Purchased, 1892


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Normally on display at

National Portrait Gallery, London

St Martin’s Place, London, Greater London WC2H 0HE England

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