Francis Russell, Marquess of Tavistock (27 September 1739 – 22 March 1767) was a British

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

 politician and the eldest son of the 4th Duke of Bedford

John Russell, 4th Duke of Bedford

John Russell, 4th Duke of Bedford KG, PC, FRS was an 18th century British statesman. He was the fourth son of Wriothesley Russell, 2nd Duke of Bedford, by his wife, Elizabeth, daughter and heiress of John Howland of Streatham, Surrey...

.

From 1759 to 1761, he sat in the Irish House of Commons

Irish House of Commons

The Irish House of Commons was the lower house of the Parliament of Ireland, that existed from 1297 until 1800. The upper house was the House of Lords...

 as Whig

British Whig Party

The Whigs were a party in the Parliament of England, Parliament of Great Britain, and Parliament of the United Kingdom, who contested power with the rival Tories from the 1680s to the 1850s. The Whigs' origin lay in constitutional monarchism and opposition to absolute rule...

 Member of Parliament

Member of Parliament

A Member of Parliament is a representative of the voters to a :parliament. In many countries with bicameral parliaments, the term applies specifically to members of the lower house, as upper houses often have a different title, such as senate, and thus also have different titles for its members,...

 for Armagh Borough

Armagh Borough (Parliament of Ireland constituency)

Armagh Borough was a constituency represented in the Irish House of Commons from 1613 to 1800.-History:This constituency was the borough of Armagh in County Armagh....

 and then in the British House of Commons

British House of Commons

The House of Commons is the lower house of the Parliament of the United Kingdom, which also comprises the Sovereign and the House of Lords . Both Commons and Lords meet in the Palace of Westminster. The Commons is a democratically elected body, consisting of 650 members , who are known as Members...

 for Bedfordshire

Bedfordshire (UK Parliament constituency)

Bedfordshire was a United Kingdom Parliamentary constituency, which elected two Members of Parliament from 1295 until 1885, when it was divided into two constituencies under the Redistribution of Seats Act 1885.-History:...

 until 1767. On 8 June 1764, he married Lady Elizabeth Keppel, the youngest child of the 2nd Earl of Albemarle. They had three sons:

• Francis Russell, 5th Duke of Bedford
  Francis Russell, 5th Duke of Bedford
  Francis Russell, 5th Duke of Bedford was an English aristocrat and Whig politician, responsible for much of the development of central Bloomsbury.-Life:...
  
   (1765–1802)
• John Russell, 6th Duke of Bedford
  John Russell, 6th Duke of Bedford
  John Russell, 6th Duke of Bedford KG, PC, LLD, FSA , known as Lord John Russell until 1802, was a British Whig politician and notably served as Lord Lieutenant of Ireland in the Ministry of All the Talents...
  
   (1766–1839)
• Lord William Russell
  Lord William Russell (aristocrat)
  Lord William Russell , a member of the British aristocratic family of Russell and longtime Member of Parliament, did little to attract public attention after the end of his political career until, in 1840, he was murdered in his sleep by his valet.-Life:Russell was the posthumous child of Francis...
  
   (1767–1840)

Lord Tavistock died in 1767, after falling from his horse while out hunting, and his eldest son succeeded as Duke of Bedford

Duke of Bedford

thumb|right|240px|William Russell, 1st Duke of BedfordDuke of Bedford is a title that has been created five times in the Peerage of England. The first creation came in 1414 in favour of Henry IV's third son, John, who later served as regent of France. He was made Earl of Kendal at the same time...

four years later.