William Richard Chetwynd, 3rd Viscount Chetwynd (1684 – 3 April 1770) was the youngest son of John Chetwynd

John Chetwynd

John Chetwynd , of Rudge, Shropshire, was Member of Parliament for Stafford from 1689 to 1695, and again in 1701 and 1702. In the intervening period he sat for Tamworth in 1698–1700....

 (1643-1702) and thus younger brother of Walter Chetwynd, 1st Viscount Chetwynd

Walter Chetwynd, 1st Viscount Chetwynd

Walter Chetwynd, 1st Viscount Chetwynd , of Rudge and Ingestre, Staffordshire, succeeded in 1693 to the Ingestre estates on the death of his cousin Walter Chetwynd . He was the eldest son of John Chetwynd...

 and John Chetwynd, 2nd Viscount Chetwynd

John Chetwynd, 2nd Viscount Chetwynd

John Chetwynd, 2nd Viscount Chetwynd , diplomat and politician, was the second son of John Chetwynd and the brother of Walter Chetwynd, 1st Viscount Chetwynd. He succeeded to that Irish peerage in 1736 by virtue of a special remainder....

. He succeeded to their Irish peerage under a special remainder.

He was educated at Westminster School

Westminster School

The Royal College of St. Peter in Westminster, almost always known as Westminster School, is one of Britain's leading independent schools, with the highest Oxford and Cambridge acceptance rate of any secondary school or college in Britain...

 (c.1698–1702) and Christ Church, Oxford

Christ Church, Oxford

Christ Church or house of Christ, and thus sometimes known as The House), is one of the largest constituent colleges of the University of Oxford in England...

. In 1706, he became secretary to his elder brother John on his appointment as British envoy to Savoy at Turin, and in 1708 became British Resident at Genoa, whence he was recalled in 1712.

In 1715, he was elected 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 Stafford

Stafford (UK Parliament constituency)

Stafford is a county constituency represented in the House of Commons of the Parliament of the United Kingdom. It elects one Member of Parliament by the first past the post system of election. The sitting MP is the Conservative Jeremy Lefroy....

, holding the seat until 1722. He held office as a junior Lord of the Admiralty being elected for Plymouth

Plymouth (UK Parliament constituency)

Plymouth was a parliamentary borough in Devon, which elected two Members of Parliament to the House of Commons in 1298 and again from 1442 until 1918, when the borough was merged with the neighbouring Devonport and the combined area divided into three single-member constituencies.-In the...

 in 1722, but lost both his place and his seat in 1727, having voted with his friend Viscount Bolingbroke

Henry St John, 1st Viscount Bolingbroke

Henry St John, 1st Viscount Bolingbroke was an English politician, government official and political philosopher. He was a leader of the Tories, and supported the Church of England politically despite his atheism. In 1715 he supported the Jacobite rebellion of 1715 which sought to overthrow the...

. He re-entered Parliament for Stafford

Stafford (UK Parliament constituency)

Stafford is a county constituency represented in the House of Commons of the Parliament of the United Kingdom. It elects one Member of Parliament by the first past the post system of election. The sitting MP is the Conservative Jeremy Lefroy....

in 1734, retaining the seat for the rest of his life.