Robert Stewart, Viscount Castlereagh

The Most Honourable Robert Stewart, 2nd Marquess of Londonderry, (June 18, 1769 – August 12, 1822), known until 1821 by his courtesy title of Viscount Castlereagh, was an Anglo-Irish politician born in Dublin who represented the United Kingdom at the Congress of Vienna. He was also intimately involved in securing the controversial passage of the Irish Act of Union. He was the son of Robert Stewart, 1st Marquess of Londonderry, a landowner who was created an earl and subsequently a marquess by King George III of the United Kingdom. He received his early education at The Royal School, Armagh. Additionally, the elder Robert Stewart was also known as The Viscount Castlereagh for about one year.

References

• Harold Nicolson, 'The Congress of Vienna' (1946)
• H. Montgomery Hyde, 'The Strange Death of Lord Castlereagh'
• John Derry, 'Castlereagh' (London 1976)
• Wendy Hinde, 'Castlereagh' (London 1981)
• Henry Kissinger, 'A World Restored: Metternich, Castlereagh and the Problems of Peace, 1812-22'
• Charles Webster
• Robert Stewart, 'The Lightning Rod for Lord Liverpool's Government: Lord Castlereagh and HIs Critics, 1812 to 1822' (Unpublished M.A. Thesis, The University of Western Ontario, London, Ontario 1993)