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William Cavendish-Bentinck, 3rd Duke of Portland facts for kids

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The Duke of Portland
3rd Duke of Portland by Thomas Lawrence.jpg
Portrait by Thomas Lawrence c. 1792
Prime Minister of the United Kingdom
In office
31 March 1807 – 4 October 1809
Monarch George III
Preceded by The Lord Grenville
Succeeded by Spencer Perceval
Prime Minister of Great Britain
In office
2 April 1783 – 18 December 1783
Monarch George III
Preceded by The Earl of Shelburne
Succeeded by William Pitt the Younger
Lord President of the Council
In office
30 July 1801 – 14 January 1805
Prime Minister Henry Addington
William Pitt the Younger
Preceded by The Earl of Chatham
Succeeded by The Viscount Sidmouth
Home Secretary
In office
11 July 1794 – 30 July 1801
Prime Minister William Pitt the Younger
Preceded by Henry Dundas
Succeeded by Lord Pelham
Leader of the House of Lords
In office
2 April 1783 – 18 December 1783
Prime Minister Himself
Preceded by The Earl of Shelburne
Succeeded by The Earl Temple
Lord Lieutenant of Ireland
In office
8 April 1782 – 15 August 1782
Prime Minister The Earl of Shelburne
Preceded by The Earl of Carlisle
Succeeded by The Earl Temple
Lord Chamberlain of the Household
In office
1765–1766
Monarch George III
Preceded by The Earl Gower
Succeeded by The Earl of Hertford
Personal details
Born (1738-04-14)14 April 1738
Nottinghamshire, England
Died 30 October 1809(1809-10-30) (aged 71)
Westminster, England
Resting place St Marylebone Parish Church
Political party
Spouse
(m. 1766; died 1794)
Children 6, including William, 4th Duke; Lord William and Lord Charles
Parents
Alma mater Christ Church, Oxford
Signature Cursive signature in ink

William Henry Cavendish Cavendish-Bentinck, 3rd Duke of Portland (born April 14, 1738, died October 30, 1809) was an important British politician. He served as the Prime Minister of Great Britain and later the United Kingdom twice. The time between his two terms as Prime Minister was 26 years, which is the longest gap for any British Prime Minister.

He was known as the Marquess of Titchfield before 1762. He held many noble titles, including duke, marquess, earl, viscount, and baron. He led a group of politicians called the Portland Whigs. This group joined forces with William Pitt the Younger after the French Revolution.

Early Life and Education

William was the oldest son of William Bentinck, 2nd Duke of Portland and Margaret Cavendish-Harley. He inherited a lot of land from his mother and grandmother.

He went to Westminster School and then to Christ Church, Oxford university. He earned his Master of Arts degree in 1757.

Family Life

Dorothy Cavendish, wife of William Cavendish Bentinck, 3rd Duke of Portland (1738-1809) by George Romney
Lady Dorothy Cavendish, wife of William Cavendish Bentinck, painted by George Romney.

On November 8, 1766, William married Lady Dorothy Cavendish. She was the daughter of William Cavendish, 4th Duke of Devonshire.

They had six children together:

  • William Bentinck, 4th Duke of Portland (born 1768, died 1854).
  • Lord William Henry Cavendish-Bentinck (born 1774, died 1839).
  • Lady Charlotte Cavendish-Bentinck (born 1775, died 1862). She married Charles Greville.
  • Lady Mary Cavendish-Bentinck (born 1779, died 1843).
  • Lord Charles Bentinck (born 1780, died 1826). He was an ancestor of later Dukes of Portland.
  • Lord Frederick Cavendish-Bentinck (born 1781, died 1828). He was also an ancestor of later Dukes of Portland.

Important Political Roles

In 1761, William was elected to the Parliament of Great Britain. The next year, he became the Duke of Portland after his father passed away. This meant he joined the House of Lords. He was part of the Whig Party led by Lord Rockingham. He served as Lord Chamberlain of the Household from 1765 to 1766.

Serving in Ireland

From April to August 1782, Portland served as the Lord Lieutenant of Ireland. This role was like a governor for Ireland. At the time, there were strong demands for changes in Ireland. People wanted less control and taxation from the British government.

Portland decided to make some agreements. He convinced Parliament to change laws that had been unfair to Ireland. After Lord Rockingham died, Portland resigned from his role.

First Time as Prime Minister

In April 1783, Portland became Prime Minister. He led a government that included Charles James Fox and Lord North. He was the First Lord of the Treasury until his government ended in December of that year.

During his time as Prime Minister, the Treaty of Paris was signed. This treaty officially ended the American Revolutionary War. His government fell when a plan to change the East India Company was voted down. King George III did not support the plan.

In 1789, Portland became a leader at London's Foundling Hospital. This charity helped abandoned children in London. His father had been one of the first governors of the hospital. In 1793, Portland became the president of the charity.

Helping the Home Front

Portland was worried about the French Revolution. Because of this, he disagreed with Charles James Fox. He then joined the government of William Pitt the Younger in 1794. He became the Secretary of State for the Home Department.

In this role, he helped manage the government's work at home. He also helped pass the Act of Union 1800. This act joined Great Britain and Ireland into the United Kingdom. He stayed in the government until Pitt died in 1806.

Second Time as Prime Minister

In March 1807, Portland became Prime Minister again. He led a group of ministers that included important figures like George Canning and Lord Castlereagh.

During his second term, the United Kingdom faced challenges in Europe. However, it also marked the start of the Peninsular War. This war helped Britain begin to recover. In late 1809, Portland's health was poor. His government also faced problems, including a famous duel between Canning and Castlereagh. Portland resigned and died shortly after.

Later Life and Legacy

William Cavendish-Bentinck died on October 30, 1809, in London. He was buried at St Marylebone Parish Church.

Many places and things are named after him or his family:

  • The famous Portland Vase of Roman glass was named because he owned it.
  • Portland Parish, in Jamaica, was named after him. The Titchfield School there, founded in 1786, is also named in his honor.
  • Two main streets in Marylebone, London, are named after him: Portland Place and Great Portland Street. He once owned the land where they were built.
  • North Bentinck Arm and South Bentinck Arm in British Columbia, Canada, were named for the Bentinck family. This was done by George Vancouver in 1793.
  • Portland Bay in Victoria, Australia, was named in 1800 by British explorer James Grant. The city of Portland is located on this bay.

His personal and political papers are kept at the Manuscripts and Special Collections, The University of Nottingham. The Portland Collection of art also includes pieces he owned.

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See also

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