List of elected hereditary peers under the House of Lords Act 1999
Sitting
Table:
Hereditary peer

First Sat

Elected

Replacing

Thomas Galbraith, 2nd Baron Strathclyde

1986

1999

David Trefgarne, 2nd Baron Trefgarne

1962

1999

Bertram Bowyer, 2nd Baron Denham

1949

1999

Benjamin Mancroft, 3rd Baron Mancroft

1987

1999

Frederick Curzon, 7th Earl Howe

1984

1999

Ivon Moore-Brabazon, 3rd Baron Brabazon of Tara

1974

1999

Malcolm Sinclair, 20th Earl of Caithness

1969

1999

Oliver Eden, 8th Baron Henley

1977

1999

Simon Arthur, 4th Baron Glenarthur

1976

1999

John Astor, 3rd Baron Astor of Hever

1984

1999

William Astor, 4th Viscount Astor

1972

1999

Patrick Stopford, 9th Earl of Courtown

1975

1999

William Peel, 3rd Earl Peel
(Joined Crossbenches in 2006 on becoming Lord Chamberlain)[6]

1973

1999

Colin Moynihan, 4th Baron Moynihan

1997

1999

John Attlee, 3rd Earl Attlee

1992

1999

Giles Goschen, 4th Viscount Goschen

1986

1999

James Graham, 8th Duke of Montrose

1992

1999

John Palmer, 4th Earl of Selborne

1971

1999

Robin Bridgeman, 3rd Viscount Bridgeman

1982

1999

James Lindesay-Bethune, 16th Earl of Lindsay

1989

1999

Ralph Palmer, 12th Baron Lucas

1991

1999

David Douglas-Home, 15th Earl of Home

1995

1999

James Dugdale, 2nd Baron Crathorne

1977

1999

David Verney, 21st Baron Willoughby de Broke
Joined UKIP in 2007[7]; non-affiliated from 2018[8]

1986

1999

Richard Fletcher-Vane, 2nd Baron Inglewood
Left party to become non-affiliated in 2018[9]

1989

1999

Francis Baring, 6th Baron Northbrook

1990

1999

Roger Swinfen Eady, 3rd Baron Swinfen

1977

1999

Charles Chetwynd-Talbot, 22nd Earl of Shrewsbury

1980

1999

Malcolm Mitchell-Thomson, 3rd Baron Selsdon

1963

1999

Edward Foljambe, 5th Earl of Liverpool

1969

1999

Arthur Gore, 9th Earl of Arran

1983

1999

Alexander Scrymgeour, 12th Earl of Dundee

1983

1999

Robin Cayzer, 3rd Baron Rotherwick

1996

1999

Hugh Trenchard, 3rd Viscount Trenchard
(left the house in 1999)

1987

27 May 2004

Nicholas Vivian, 6th Baron Vivian

Rupert Ponsonby, 7th Baron de Mauley

2005

14 March 2005

Hugh Lawson, 6th Baron Burnham

Charles Cathcart, 7th Earl Cathcart
(left the house in 1999)

1999

7 March 2007

Charles Stourton, 26th Baron Mowbray

James Younger, 5th Viscount Younger of Leckie

2010

23 June 2010

David Carnegie, 14th Earl of Northesk

Henry Ashton, 4th Baron Ashton of Hyde

2011

20 July 2011

Michael Onslow, 7th Earl of Onslow

Matthew White Ridley, 5th Viscount Ridley

2013

6 February 2013

Robert Shirley, 13th Earl Ferrers

Charles Wellesley, 9th Duke of Wellington

2015

16 September 2015

Arthur Lawson Johnston, 3rd Baron Luke

Nicholas Fairfax, 14th Lord Fairfax of Cameron
(left the house in 1999)

1977

24 November 2015

Edward Douglas-Scott-Montagu, 3rd Baron Montagu of Beaulieu

James Bethell, 5th Baron Bethell

2018

18 July 2018

Robin Dixon, 3rd Baron Glentoran

Reviewing the tabular data covering the 'Sitting' part of 'List of elected hereditary peers under the House of Lords Act 1999', summarise the highlighted cells in a single sentence and provide it inside the JSON object {"answer": "YOUR ANSWER"}.