Robert Stewart, 2nd Marquess of Londonderry, usually known as Lord Castlereagh, derived from the courtesy title Viscount Castlereagh by which he was styled from 1796 to 1821, was a British statesman.
Portrait of Lord Castlereagh by Sir Thomas Lawrence, c. 1809–1810
Lord Castlereagh; marble bust by Francis Leggatt Chantrey, 1821; Yale Center for British Art
Castlereagh's house, Woollet Hall (now called Loring Hall), in North Cray in Bexley, south London
Blue plaque along the North Cray Road
Amelia Anne Stewart, Marchioness of Londonderry, nicknamed "Emily" and, from 1794 until 1821 generally known as Lady Castlereagh, was the wife of the Georgian-era Anglo-Irish statesman Robert Stewart,
Robert Stewart, Viscount Castlereagh
…family, the Seymour-Conways (Marquess of Hertford). He held these seats simultaneously with his county seat in Ireland. In 1794, Stewart married Lady Amelia (Emily) Hobart, a daughter of John Hobart, 2nd Earl of Buckinghamshire, a former British Ambassador to Russia (1762–1765) and Lord Lieutenant of Ireland (1776–1780…
Amelia Anne Stewart, Marchioness of Londonderry, painted by Thomas Lawrence after her marriage in 1794