Henry Seymour Conway

Field Marshal The Right Honourable
Henry Seymour Conway
Field Marshal The Right Honourable Henry Seymour Conway
	Portrait of Henry Seymour Conway by Thomas Gainsborough, 1780
Secretary of State for the Northern Department
	In office; 23 May 1766 – 20 January 1768
Monarch	George III
Prime Minister	The Earl of Chatham
Preceded by	The Duke of Grafton
Succeeded by	The Viscount Weymouth
Leader of the House of Commons
	In office; 14 July 1765 – 20 October 1768
Monarch	George III
Prime Minister	The Marquess of Rockingham; The Earl of Chatham
Preceded by	George Grenville
Succeeded by	Lord North
Secretary of State for the Southern Department
	In office; 12 July 1765 – 23 May 1766
Monarch	George III
Prime Minister	The Marquess of Rockingham
Preceded by	The Earl of Halifax
Succeeded by	The Duke of Richmond and Lennox
Chief Secretary for Ireland
	In office; 1755–1757
Monarch	George II
Lieutenant	The Duke of Devonshire
Preceded by	Lord George Sackville
Succeeded by	Richard Rigby
Personal details
Born	1721; Chelsea, Middlesex; Great Britain
Died	9 July 1795 (aged 73–74); Henley-on-Thames, Berkshire; Great Britain
Military service
Allegiance	Great Britain
Branch/service	British Army
Years of service	1737–1793
Rank	Field Marshal
Battles/wars	War of the Austrian Succession; Jacobite Rebellion of 1745; Seven Years' War

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Field Marshal Henry Seymour Conway PC PC (Ire) (1721 – 9 July 1795) was a British Army officer and politician. A brother of the 1st Marquess of Hertford, and cousin of Horace Walpole, he began his military career in the War of the Austrian Succession. He held various political offices including Chief Secretary for Ireland, Secretary of State for the Southern Department, Leader of the House of Commons and Secretary of State for the Northern Department. He eventually rose to the position of Commander-in-Chief of the Forces.