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His Grace The Duke of Grafton
Prime Minister of Great Britain
In office 14 October 1768 – 28 January 1770
Monarch	George III
Preceded by	The Earl of Chatham
Succeeded by	Lord North
Born	28 September 1735(1735-09-28)
Died	14 March 1811 (aged 75) Euston Hall, Suffolk
Political party	Whig
Alma mater	Peterhouse, Cambridge

Augustus Henry FitzRoy, 3rd Duke of Grafton, KG, PC (28 September 1735 – 14 March 1811), styled Earl of Euston between 1747 and 1757, was a British Whig statesman of the Georgian era. He was one of a handful of dukes who served as Prime Minister.

Contents 1 Biography 1.1 Family 1.2 Political career 2 The Duke of Grafton's Government 3 Titles from birth to death 4 References 5 External links

He was a son of Lord Augustus FitzRoy and Elizabeth Cosby, daughter of Colonel William Cosby, who served as a colonial Governor of New York. His father was the third son of the 2nd Duke of Grafton and Lady Henrietta Somerset, which made FitzRoy a great-grandson of both the 1st Duke of Grafton and the Marquess of Worcester. He was notably a fourth-generation descendant of King Charles II and the 1st Duchess of Cleveland. His younger brother was the 1st Baron Southampton. From the death of his uncle in 1747, he was styled Earl of Euston as his grandfather's heir apparent.

Lord Euston was educated at Westminster School, made the Grand Tour and obtained a degree at Peterhouse, Cambridge. On 29 January 1756, he married The Hon. Anne Liddell (1737-1804), daughter of the 1st Baron Ravensworth. They had three children:

• Lady Georgiana FitzRoy (8 May 1757-18 January 1799), who married John Smyth (12 February 1748-12 February 1811) on 4 June 1778.
• George Henry FitzRoy, 4th Duke of Grafton (1760-1844)
• General Lord Charles FitzRoy (14 July 1764-20 December 1829), who married, firstly, Frances Mundy (1773-9 August 1797) on 20 June 1795, and had one son. He married, secondly, Lady Frances Stewart (24 June 1777-9 February 1810) on 10 March 1799 and had three children. His sons Sir Charles FitzRoy (1796–1858), governor of New South Wales, and Robert FitzRoy, the hydrographer, were notable for their achievements.

The Duke and Duchess of Grafton were divorced by act of Parliament in 1769. On 24 June 1769 the Duke married Elizabeth Wrottesley (1 November 1745–25 May 1822), daughter of the Reverend Sir Richard Wrottesley, Bart. They had the following children:

• Lord Henry FitzRoy (9 April 1770-7 June 1828), clergyman; he married Caroline Pigot (died 1 January 1835) on 10 September 1800 and had five children.
• Lady Augusta FitzRoy (1779-29 June 1839), who married Rev. George F. Tavel (died 1829) on 19 November 1811.
• Lady Frances FitzRoy (1 June 1780-7 January 1866), who married the 1st Baron Churchill on 25 November 1801.
• Admiral Lord William FitzRoy (1 June 1782-13 May 1857), who married Georgiana Raikes (died 2 December 1861) in 1816 and had two children.
• Lady Elizabeth FitzRoy (died 13 March 1839), who married her cousin Lt. Gen. The Hon. William Fitzroy (1773-1837), son of the 1st Baron Southampton, on 4 July 1811.
• Lady Isabella FitzRoy (died 10 December 1866), who married Barrington Pope Blachford (3 December 1783-14 May 1816) on 11 August 1812.

In 1756, he entered Parliament as MP for Boroughbridge, a pocket borough; several months later, he switched constituencies to Bury St Edmunds, which was controlled by his family. However, a year later, his grandfather died and he succeeded as 3rd Duke of Grafton, which elevated him to the House of Lords.

He first became known in politics as an opponent of Lord Bute, a favourite of King George III. Grafton allied with the Duke of Newcastle against Lord Bute, whose term as Prime Minister was short-lived. In 1765, Grafton was appointed a Privy Counsellor; then, following discussions with William Pitt the Elder, he was appointed Northern Secretary in Lord Rockingham's first government. However, he retired the following year, and Pitt (by then Lord Chatham) formed a ministry in which Grafton was First Lord of the Treasury but not Prime Minister.

Chatham's illness, at the end of 1767, resulted in Grafton becoming the Government's effective leader (he is credited with entering the office of Prime Minister in 1768), but political differences and the attacks of "Junius" led to his resignation in January 1770. Also, in 1768, Grafton became Chancellor of Cambridge University. He became Lord Privy Seal in Lord North's ministry (1771) but resigned in 1775, being in favour of conciliatory action towards the American colonists. In the second Rockingham ministry of 1782, he was again Lord Privy Seal. In later years he was a prominent Unitarian.

Grafton County, New Hampshire, in the United States, is named in his honour.

• Prime Minister, First Lord of the Treasury, and Leader of the House of Lords: The Duke of Grafton
• Lord Chancellor: Lord Camden
• Lord President of the Council: Lord Gower
• Lord Privy Seal: Lord Bristol
• Chancellor of the Exchequer and Leader of the House of Commons: Lord North
• Secretary of State for the Northern Department: Henry Seymour Conway (1766–1768), Lord Weymouth (1768), Lord Rochford (1768–1770)
• Secretary of State for the Southern Department: Lord Shelburne (1766–1768), Lord Weymouth (1768–1770)
• Secretary of State for the Colonies: Lord Hillsborough
• Master-General of the Ordnance: Lord Granby
• First Lord of the Admiralty: Sir Edward Hawke

• Mr. Augustus FitzRoy (1735-1747)
• Earl of Euston (1747-1756)
• Earl of Euston, MP (1756-1757)
• His Grace The Duke of Grafton (1757-1765)
• His Grace The Duke of Grafton, PC (1765-1769)
• His Grace The Duke of Grafton, KG, PC (1769-1811)

• This article incorporates text from the Encyclopædia Britannica Eleventh Edition, a publication now in the public domain.

• The Third Duke of Grafton
• More about Augustus Henry Fitzroy, Duke of Grafton on the Downing Street website.

Political offices
Preceded by The Earl of Sandwich	Secretary of State for the Northern Department 1765–1766	Succeeded by Henry Seymour Conway
Preceded by The Marquess of Rockingham	First Lord of the Treasury 1766–1770	Succeeded by Lord North
	Leader of the House of Lords 1766–1770	Succeeded by Unknown
Preceded by The Earl of Chatham	Prime Minister of Great Britain 14 October 1768 – 28 January 1770	Succeeded by Lord North
Preceded by The Earl of Suffolk and Berkshire	Lord Privy Seal 1771–1775	Succeeded by The Earl of Dartmouth
Preceded by The Earl of Dartmouth	Lord Privy Seal 1782–1783	Succeeded by The Earl of Carlisle
Parliament of Great Britain
Preceded by William Murray Sir Cecil Bisshopp, Bt	Member of Parliament for Boroughbridge with Sir Cecil Bisshopp, Bt 1756–1757	Succeeded by Sir Cecil Bisshopp, Bt Thomas Thoroton
Preceded by Viscount Petersham Felton Hervey	Member of Parliament for Bury St Edmunds with Felton Hervey 1756–1757	Succeeded by Felton Hervey Augustus Hervey
Honorary titles
Preceded by The Duke of Grafton	Lord Lieutenant of Suffolk 1757–1763	Succeeded by The Lord Maynard
Preceded by The Viscount Maynard	Lord Lieutenant of Suffolk 1769–1790	Succeeded by Earl of Euston
Peerage of England
Preceded by Charles FitzRoy	Duke of Grafton 1757–1811	Succeeded by George FitzRoy

v • d • e Prime Ministers of the United Kingdom

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