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,
Amelia Anne Stewart, Marchioness of Londonderry, painted by Thomas Lawrence after her marriage in 1794
Frederick William Robert Stewart, 4th Marquess of Londonderry, styled Viscount Castlereagh from 1822 to 1854, was a British nobleman and Tory politician. He was briefly Vice-Chamberlain of the Househo
Amelia Stewart, Viscountess Castlereagh
…he succeeded to the marquessate on his father's death. They were a notably devoted couple but had no children. They did, however, care for the young Frederick Stewart while his father, Charles, Lord Castlereagh's half-brother, was serving in the army. Her devotion to her husband, combined with her love of foreign…
Portrait by Simon Jacques Rochard, 1833
Frederick Stewart at Mount Sinai in May 1842
Portrait by James Godsell Middleton, 1856. Frederick Stewart as Marquess of Londonderry. The background on the left shows the view from Mount Stewart over the Strangford Lough on Scrabo Hill with its tower.