Viscount Davidson, of Little Gaddesden in the County of Hertford, is a title in the Peerage of the United Kingdom

Peerage of the United Kingdom

The Peerage of the United Kingdom comprises most peerages created in the United Kingdom of Great Britain and Ireland after the Act of Union in 1801, when it replaced the Peerage of Great Britain...

. It was created in 1937 for the Conservative

Conservative Party (UK)

The Conservative Party, formally the Conservative and Unionist Party, is a centre-right political party in the United Kingdom that adheres to the philosophies of conservatism and British unionism. It is the largest political party in the UK, and is currently the largest single party in the House...

 politician and former 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 Hemel Hempstead

Hemel Hempstead (UK Parliament constituency)

Hemel Hempstead is a 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.- Boundaries :...

, Sir J. C. C. Davidson

J. C. C. Davidson, 1st Viscount Davidson

John Colin Campbell Davidson, 1st Viscount Davidson GCVO CH, CB, PC , known before his elevation to the peerage as J. C. C. Davidson, was a British civil servant and Conservative Party politician, best known for his close alliance with Stanley Baldwin...

. the title is held by his eldest son, the second Viscount, who succeeded in 1970. He notably served as Captain of the Yeomen of the Guard

Captain of the Yeomen of the Guard

The Captain of the Queen's Bodyguard of the Yeomen of the Guard is a UK government post usually held by the Government Deputy Chief Whip in the House of Lords...

 from 1986 to 1991 in the Conservative administrations of Margaret Thatcher

Margaret Thatcher

Margaret Hilda Thatcher, Baroness Thatcher, was Prime Minister of the United Kingdom from 1979 to 1990...

 and John Major

John Major

Sir John Major, is a British Conservative politician, who served as Prime Minister of the United Kingdom and Leader of the Conservative Party from 1990–1997...

. However, Lord Davidson lost his seat in the House of Lords

House of Lords

The House of Lords is the upper house of the Parliament of the United Kingdom. Like the House of Commons, it meets in the Palace of Westminster....

 after the passing of the House of Lords Act 1999

House of Lords Act 1999

The House of Lords Act 1999 was an Act of the Parliament of the United Kingdom that was given Royal Assent on 11 November 1999. The Act reformed the House of Lords, one of the chambers of Parliament. For centuries, the House of Lords had included several hundred members who inherited their seats;...

.

Frances Davidson, Viscountess Davidson

Frances Davidson, Viscountess Davidson

Frances Joan Davidson, Viscountess Davidson DBE , styled Lady Davidson between 1935 and 1937 and as Viscountess Davidson between 1937 and 1985, was a British Conservative Party politician....

, wife of the first Viscount, succeeded her husband as Member of Parliament for Hemel Hempstead in 1937, and held the seat until 1959. In 1964 she was given a life peerage as Baroness Northchurch, of Chiswick in the County of Middlesex.

Viscounts Davidson (1937)

• John Colin Campbell Davidson, 1st Viscount Davidson
  J. C. C. Davidson, 1st Viscount Davidson
  John Colin Campbell Davidson, 1st Viscount Davidson GCVO CH, CB, PC , known before his elevation to the peerage as J. C. C. Davidson, was a British civil servant and Conservative Party politician, best known for his close alliance with Stanley Baldwin...
  
   (1889–1970)
• (John) Andrew Davidson, 2nd Viscount Davidson (b. 1928)

The heir presumptive

Heir Presumptive

An heir presumptive or heiress presumptive is the person provisionally scheduled to inherit a throne, peerage, or other hereditary honour, but whose position can be displaced by the birth of an heir or heiress apparent or of a new heir presumptive with a better claim to the position in question...

 is the present holder's brother the Hon. Malcolm William Mackenzie Davidson (b. 1934)

The heir presumptive's son and heir apparent

Heir apparent

An heir apparent or heiress apparent is a person who is first in line of succession and cannot be displaced from inheriting, except by a change in the rules of succession....

is his son John Nicolas Alexander Davidson (b. 1971)