Descendants of
Sir John Cavendish
(gen 19+20  of 20 generations)
 

      XIX-1 (XVIII-1-3)
            1  Luke Frederick Cavendish 
               Born 17 September 1990

            2  Tom Matthew Arthur Cavendish
               Born 26 August 1997

      XIX-2 (XVIII-4-1)
            1  William John Robert Cavendish
               Marquess of Hartington
               Born 10 December 1917 London
               Died 10 September 1944 Belgium (in battle)
               Married 6 May 1944 London, Chelsea
               Kathleen Kennedy, daughter of Joseph Patrick Kennedy and
               Rose Elizabeth FitzGerald
               Born 1920 Boston
               Died 13 May 1948 in France (plane accident)
                         S.P.

            2  Andrew Robert Buxton Cavendish
               11th Duke of Devonshire
               Born 2 January 1920 London
               Married 19 April 1941 London
               The Hon. Deborah Freeman-Mitford, daughter of David Bertram
               Ogilvy Freeman-Mitford, 2nd Lord Redesdale and Sydney
               Bowles
               Born 31 March 1920 Kensington
                         Children, Generation XX-1

            3  Lady Mary Cavendish
               Born 6 November 1922
               Died 17 November 1922

            4  Lady Elizabeth Georgiana Alice Cavendish
               Born 24 April 1926 London

            5  Lady Anne Evelyn Beatrice Cavendish
               Born 6 November 1927 London
               Married 3 November 1949 Chatsworth
               Michael Lambert Tree
               Born 5 December 1921
                         S.P.

      XIX-3 (XVIII-4-6)
            1  The Hon. NN (daughter) Cavendish
               Born 8 October 1933
               Died 8 October 1933

      XIX-4 (XVIII-5-7)
            1  Georgiana Elizabeth Cavendish
               Born 2 May 1939 London
               Married 8 July 1968
               Andrew Henry Clowes, son of Colonel Sir Henry Nelson Clowes
               and Diana Katherine Kerr
               Born 27 October 1942

            2  Richard Hugh Cavendish
               Baron Cavendish of Furness
               Born 2 November 1941
               Married 1970
               Grania Mary Caulfield, daughter of Toby St.George Caulfield
               and Mary Murphy
               Born 19 April 1947
                         Children, Generation XX-2

            3  Harriet Moyra Aline Cavendish
               Born 25 September 1944 Holker Hall
               Married 12 August 1972
               Captain Anthony Peter Coote Sykes, son of Lt.-Col. Peter
               Thomas Wellesley Sykes

            4  Susan Anne Cavendish
               Born 31 August 1949
               Married (1) 5 March 1970 Div.1983
               Quentin Hugh Crewe, son of Colonel James Hugh Hamilton
               Dodds and Lady Annabel Hungerford Crewe-Milnes
               Born 1926
               Married (2) 10 May 1984
               Christopher Nigel John Ryan

            5  Edward Osborne Cavendish
               Born 31 August 1955
               Married (1) 1977 Div.1980
               Kirsten St.Blaize-Molony, daughter of Dr. Ronald
               St.Blaize-Molony
               Married (2) 1983
               Anna Frances Shelley, daughter of Spencer Shelley
                         Children, Generation XX-3

      XIX-5 (XVIII-7-1)
            1  Ronald Simon Constantine Cavendish
               Born 19 March 1954

            2  Mark Francis Cavendish
               Born 3 November 1955

            3  Rupert William Cavendish
               Born 5 April 1962

      XIX-6 (XVIII-7-2)
            1  Jonathan Stewart Cavendish
               Born 4 February 1959

      XIX-7 (XVIII-9-1)
            1  Diana Grace Angela Cavendish
               Born 30 January 1954
               Married 1975
               Frederick John Reeves

            2  Caroline Elizabeth Clare Cavendish
               Born 16 June 1956
               Married 1977
               Hon. Philip John Remnant

      XIX-8 (XVIII-9-2)
            1  Beaujolois Katharine Cavendish
               Born 1 April 1947
               Married 1978
               Stephen Charles Smyth-Tyrell

            2  Richard Gordon John Cavendish
               Born 1949
               Married (1) 1973 Div
               Jill Dare Baker
               Married (2) Susan
                         Children, Generation XX-4

      XIX-9 (XVIII-11-1)
        (2) 1  William Alwyn Charles Chichester Cavendish
               Born 1956

            2  Mark Andrew Lionel Compton Cavendish
               Born 1958

     XIX-10 (XVIII-13-1)
            1  Adrian Delmar Cavendish
               Born 9 June 1947
               Married 1982
               Louise Russell Allison
                         S.P.

     XIX-11 (XVIII-13-2)
            1  Jessica Luisa Cavendish
               Born 23 August 1946

            2  William Anthony Cavendish
               Born 29 April 1952

     XIX-12 (XVIII-14-1)
            1  Hon. Joanna Mary Cavendish
               Born 20 July 1938 Latimer
               Married 23 July 1960
               Peter Henry Mabile Price

            2  Hon. Nicholas Charles Cavendish
               Born 7 November 1941
               Married (1) 4 November 1965 Div.1969
               Susan Donne Beauchamp, daughter of Frederick Guy Beauchamp
               and Hon. Susan Silence North
               Born 14 March 1944
               Married (2) 1973
               Suzanne Adrienne Byrne, daughter of Alan Gray Byrne
                         Children, Generation XX-5

            3  Hon. Georgina Mary Cavendish
               Born 8 September 1944
               Married 1967
               Michael Wynne Tufnell

            4  Hon. John Charles Gregory Cavendish
               Born 23 November 1952
               Married 1976
               Lucinda Mary Corbett, daughter of Richard Hugh Corbett
                         S.P.

     XIX-13 (XVIII-15-2)
        (1) 1  Rupert Edward Greville Cavendish
               Born 1955

            2  Piers Antony Charles Cavendish
               Born 1956

            3  Kiloran Arabella Cavendish
               Born 1959

       XX-1 (XIX-2-2)
            1  The Hon. NN (son) Cavendish
               Born 14 November 1941
               Died 14 November 1941

            2  Lady Emma Cavendish
               Born 26 March 1943 Hadham Common, Barnet
               Married 3 September 1963
               The Hon. Tobias William Tennant, son of Christopher Grey
               Tennant, 2nd Baron Glenconner and Elizabeth Powell
               Born 1 June 1941

            3  Peregrine Andrew Morny Cavendish
               Marquess of Hartington
               Born 27 April 1944 Churchdale Hall, Bakewell
               Married 28 June 1967
               Amanda Carmen Heywood-Lonsdale, daughter of Edward Gavin
               Heywood-Lonsdale and June Shakespeare
               Born 18 April 1944
                         Children, Generation XXI-1

            4  Lord Victor Cavendish
               Born 22 May 1947
               Died 22 May 1947

            5  Lady Mary Cavendish
               Born 5 April 1953
               Died 5 April 1953

            6  Lady Sophia Louise Sydney Cavendish
               Born 18 March 1957
               Married (1) 20 October 1979 Div.1987
               Anthony William Lindsay Murphy
               Married (2) 1988
               Alastair John Morrison

       XX-2 (XIX-4-2)
            1  The Hon. Frederick Richard Toby Cavendish
               Born 1972

            2  The Hon. Lucy Georgiana Cavendish
               Born 1973

            3  The Hon. Emily Moyra Cavendish
               Born 1980

       XX-3 (XIX-4-5)
        (2) 1  Elizabeth Angelica Cavendish
               Born 1985

            2  Georgiana Rose Cavendish
               Born 1988

       XX-4 (XIX-8-2)
        (1) 1  Susanna Lucy Cavendish
               Born 1974

            2  Charles William Gordon Cavendish
               Born 1975

        (2) 3  Theresa Louise Cavendish
               Born 1983

       XX-5 (XIX-12-2)
        (2) 1  Charles Gray Compton Cavendish
               Born 1 November 1974

            2  William George Cavendish
               Born 1980

      XXI-1 (XX-1-3)
            1  William Cavendish
               Earl of Burlington
               Born 6 June 1969

            2  Lady Celina Imogen Cavendish
               Born 4 October 1971
               Married 3 June 1995
               Alexander Corfield Key Carter

            3  Lady Jasmine Nancy Cavendish
               Born 1973