1850 - 1932 (81 years)
| William John Robert CAVENDISH | |
| B: | 10 Dec 1917 |
| London, St George Hanover Square | |
| D: | 10 Sep 1944 |
| Belgium | |
| Kathleen A KENNEDY | |
| B: | 20 Feb 1920 |
| Boston, Suffolk County, MA, USA | |
| M: | 6 May 1944 |
| Chelsea, London SW | |
| D: | 13 May 1948 |
| Saint-Bauzille, Ardeche, France | |
| 11th Duke of Devonshire Andrew Robert Buxton CAVENDISH | |
| B: | 2 Jan 1920 |
| London, St George Hanover Square | |
| D: | 3 May 2004 |
| Bakewell, Derbys | |
| Deborah Vivien Freeman MITFORD | |
| B: | 31 Mar 1920 |
| Asthall, Oxon | |
| M: | 19 Apr 1941 |
| London, City of | |
| D: | 24 Sep 2014 |
| Edensor, Derbys | |
| Mary CAVENDISH | |
| B: | 6 Nov 1922 |
| Bakewell, Derbys | |
| D: | 17 Nov 1922 |
| Bakewell, Derbys | |
| Elizabeth Georgiana Alice CAVENDISH | |
| B: | 24 Apr 1926 |
| London | |
| D: | Abt 2018 |
| Anne Evelyn Beatrice CAVENDISH | |
| B: | 6 Nov 1927 |
| London, St George Hanover Square | |
| D: | 9 Aug 2010 |
| Compton Abbas, Dorset | |
| Michael Lambert TREE | |
| B: | 21 Dec 1921 |
| M: | 3 Nov 1949 |
| Bakewell, Derbys | |
| D: | Between Jul 1999 and Sep 1999 |
| Kensington, London SW | |
| 10th Duke of Devonshire Edward William Spencer CAVENDISH | |
| B: | 6 May 1895 |
| Westminster, London W | |
| D: | 26 Nov 1950 |
| Eastbourne, E Sussex | |
| Mary Alice GASCOYNE-CECIL | |
| B: | 29 Jul 1895 |
| Hatfield, Herts | |
| M: | 21 Apr 1917 |
| Hatfield, Herts | |
| D: | Abt 1988 |
| John Anthony WARRE | |
| B: | 4 Dec 1912 |
| London, St George Hanover Square | |
| D: | Between Jul 1999 and Sep 1999 |
| Kettering, Northants | |
| John Henry MONTAGU DOUGLAS SCOTT | |
| B: | 12 Apr 1911 |
| D: | Abt 1991 |
| Maud Louisa Emma CAVENDISH | |
| B: | 20 Apr 1896 |
| London, St George Hanover Square | |
| D: | 30 Mar 1975 |
| Angus Alexander MACKINTOSH | |
| B: | Abt 1885 |
| M: | 3 Nov 1917 |
| D: | 13 Oct 1918 |
| Michael Evan Victor BAILLIE | |
| B: | 27 Jun 1924 |
| Burton-upon-Trent, Staffs | |
| D: | 30 May 2013 |
| Inverness, Inverness-shire | |
| Elizabeth Ursula Forster WISE | |
| B: | Between Jul 1924 and Sep 1924 |
| Kensington, London SW | |
| M: | 28 Apr 1948 |
| D: | Abt 1993 |
| Coralia Denise CLIFFE | |
| B: | Abt 1936 |
| M: | Between Jan 1978 and Mar 1978 |
| Chelsea, London SW | |
| D: | 17 Jan 2022 |
| Angus Ewen Selwyn CAMERON | |
| B: | 20 Jan 1914 |
| D: | Abt 2001 |
| Peter Charles BAILLIE | |
| B: | 26 Jun 1927 |
| Bakewell, Derbys | |
| D: | 15 Mar 2017 |
| New Milton, Hants | |
| Jennifer Priscilla NEWGASS | |
| B: | Between Oct 1933 and Dec 1933 |
| Hampstead, London NW | |
| M: | 15 Nov 1955 |
| Kensington, London SW | |
| D: | 29 Jan 2014 |
| George Evan Michael BAILLIE | |
| B: | 19 Dec 1894 |
| London, St George Hanover Square | |
| M: | 15 Nov 1923 |
| London, St George Hanover Square | |
| D: | 6 Jun 1941 |
| Pamela Maud COBBOLD | |
| B: | 1 Mar 1920 |
| Woodbridge, Suffolk | |
| D: | 16 Sep 1994 |
| Deben, Suffolk | |
| William August Ludwig Vernon Alexander HOPE-JOHNSTONE | |
| B: | 5 Jul 1914 |
| Vierfontein, Orange Free State, South Africa | |
| M: | 27 Mar 1943 |
| Westminster, London W | |
| D: | 6 Jul 1993 |
| Cape Town, Cape Province, South Africa | |
| Ambrose Alec Patrick George CADOGAN | |
| B: | 19 Mar 1914 |
| M: | 7 Dec 1955 |
| D: | Abt 2003 |
| Jean COBBOLD | |
| B: | 7 Oct 1921 |
| London, St George Hanover Square | |
| D: | 20 Nov 2001 |
| Deben, Suffolk | |
| Roger Hewitt PAUL | |
| B: | 29 Mar 1921 |
| Birkenhead, Merseyside | |
| M: | 3 Nov 1951 |
| Ipswich, Suffolk | |
| D: | 1 Jun 1987 |
| Norwich, Norfolk | |
| John Cavendish COBBOLD | |
| B: | 30 Jun 1927 |
| London, St George Hanover Square | |
| D: | Between Jul 1983 and Sep 1983 |
| Ipswich, Suffolk | |
| Patrick Mark COBBOLD | |
| B: | 20 Jun 1934 |
| Westminster, London W | |
| D: | Between Oct 1994 and Dec 1994 |
| Deben, Suffolk | |
| Blanche Katherine CAVENDISH | |
| B: | 2 Feb 1898 |
| London, St George Hanover Square | |
| D: | Between Oct 1987 and Dec 1987 |
| Deben, Suffolk | |
| Ivan John Murray COBBOLD | |
| B: | 28 Jan 1897 |
| M: | 30 Apr 1919 |
| Westminster, London W | |
| D: | 18 Jun 1944 |
| Maurice Victor MACMILLAN | |
| B: | 27 Jan 1921 |
| London, St George Hanover Square | |
| D: | 10 Mar 1984 |
| Westminster, London W | |
| Katherine Margaret Alice ORMSBY-GORE | |
| B: | 4 Jan 1921 |
| Marylebone, London W | |
| M: | 22 Aug 1942 |
| Strand, London WC | |
| D: | 22 Jan 2017 |
| Ann Caroline MACMILLAN | |
| B: | Between Oct 1923 and Dec 1923 |
| London, St George Hanover Square | |
| D: | 14 Sep 2016 |
| Julian Tufnell FABER | |
| B: | 6 Apr 1917 |
| East Grinstead, W Sussex | |
| M: | 20 Apr 1944 |
| London, St George Hanover Square | |
| D: | 11 Jan 2002 |
| Uckfield, E Sussex | |
| Catherine MACMILLAN | |
| B: | 19 Nov 1926 |
| London, St George Hanover Square | |
| D: | Between Apr 1991 and Jun 1991 |
| Westminster, London W | |
| Harold Julian AMERY | |
| B: | 27 Mar 1919 |
| Chelsea, London SW | |
| M: | Abt 1950 |
| Westminster, London W | |
| D: | 3 Sep 1996 |
| Westminster, London W | |
| Dorothy Evelyn CAVENDISH | |
| B: | 28 Jul 1900 |
| London, St George Hanover Square | |
| D: | 21 May 1966 |
| Cuckfield, W Sussex | |
| 1st Earl of Stockton Maurice Harold MACMILLAN | |
| B: | 10 Feb 1894 |
| Chelsea, London SW | |
| M: | 21 Apr 1920 |
| Westminster, London W | |
| D: | 29 Dec 1986 |
| Haywards Heath, W Sussex | |
| David Randolph Moray STUART | |
| B: | 20 Jun 1924 |
| D: | 24 Oct 1999 |
| Grizel Mary Wilfreda FYFE | |
| B: | Abt 1916 |
| M: | Between Jul 1945 and Sep 1945 |
| Westminster, London W | |
| D: | 24 Apr 1948 |
| Cirencester, Glos | |
| John Douglas STUART | |
| B: | 11 Jun 1925 |
| D: | Abt 1990 |
| Rachel CAVENDISH | |
| B: | 22 Jan 1902 |
| London, St George Hanover Square | |
| D: | 2 Oct 1977 |
| Braintree, Essex | |
| James Gray STUART | |
| B: | 9 Feb 1897 |
| M: | 4 Aug 1923 |
| Bakewell, Derbys | |
| D: | 20 Feb 1971 |
| Salisbury, Wilts | |
| Infant CAVENDISH | |
| B: | 8 Oct 1933 |
| D: | 8 Oct 1933 |
| Charles Arthur Francis CAVENDISH | |
| B: | 29 Aug 1905 |
| Cark-in-Cartmel, Cumbria | |
| D: | 23 Mar 1944 |
| Adele ASTAIRE | |
| B: | 10 Sep 1896 |
| M: | 9 May 1932 |
| Edensor, Derbys | |
| Phillipa Victoria HUNLOKE | |
| B: | 10 Dec 1930 |
| Westminster, London W | |
| D: | 20 Jul 2005 |
| 3rd Viscount Astor William Waldorf ASTOR | |
| B: | 13 Aug 1907 |
| Cliveden, Bucks | |
| M: | 26 Apr 1955 |
| Belgravia, London W | |
| D: | 7 Mar 1966 |
| Nassau, Bahamas | |
| Timothy Henry HUNLOKE | |
| B: | 30 Dec 1932 |
| D: | Abt 1989 |
| Rabat, Malta | |
| Anne CAVENDISH | |
| B: | 20 Aug 1909 |
| Bakewell, Derbys | |
| D: | Abt 1981 |
| Witney, Oxon | |
| Henry Philip HUNLOKE | |
| B: | 27 Dec 1906 |
| London, St George Hanover Square | |
| M: | 28 Nov 1929 |
| Westminster, London W | |
| D: | 13 Jan 1978 |
| Marlborough, Wilts | |
| Christopher John HOLLAND-MARTIN | |
| B: | Between Oct 1910 and Dec 1910 |
| Kensington, London SW | |
| M: | 27 Jul 1949 |
| D: | 5 Apr 1960 |
| Ledbury, Herefordshire | |
| 10th Earl of Sandwich Alexander Victor Edward Paulet MONTAGU | |
| B: | 22 May 1906 |
| London, St George Hanover Square | |
| M: | 7 Jun 1962 |
| Westminster, London W | |
| D: | 25 Feb 1995 |
| New Forest, Hants | |
| Evelyn Emily Mary PETTY-FITZMAURICE | |
| B: | 27 Aug 1870 |
| Calne, Wilts | |
| D: | 2 Apr 1960 |
| Kensington, London SW | |
| 9th Duke of Devonshire Victor Christian William CAVENDISH | |
| B: | 31 May 1868 |
| London, St George Hanover Square | |
| M: | 30 Jul 1892 |
| London, St George Hanover Square | |
| D: | 6 May 1938 |
| Bakewell, Derbys | |
| Richard Maurice Clive BIGHAM | |
| B: | 8 Jul 1934 |
| D: | 5 Aug 2006 |
| David Edward Hugh BIGHAM | |
| B: | 14 Apr 1938 |
| D: | 24 Aug 2024 |
| Katherine Evelyn Constance PETTY-FITZMAURICE | |
| B: | 22 Jun 1912 |
| D: | 20 Oct 1995 |
| Edward Clive BIGHAM | |
| B: | 5 Jun 1906 |
| M: | 24 Jul 1933 |
| D: | 2 Aug 1979 |
| Henry Maurice John PETTY-FITZMAURICE | |
| B: | 7 Oct 1913 |
| D: | 12 Sep 1933 |
| 7th Marquess of Lansdowne Charles Hope PETTY-FITZMAURICE | |
| B: | 9 Jul 1917 |
| D: | 20 Aug 1944 |
| Italy | |
| Edward Norman PETTY-FITZMAURICE | |
| B: | 28 Jul 1922 |
| D: | 11 Aug 1944 |
| Normandy, France | |
| Elizabeth Mary PETTY-FITZMAURICE | |
| B: | 16 Mar 1927 |
| D: | 28 Jun 2016 |
| Shaw, Berks | |
| Charles William LAMBTON | |
| B: | 22 Aug 1921 |
| M: | 27 Jun 1950 |
| D: | 3 May 2005 |
| 6th Marquess of Lansdowne Henry Wiliam Edmund PETTY-FITZMAURICE | |
| B: | 14 Jan 1872 |
| D: | 5 Mar 1936 |
| Marylebone, London W | |
| Elizabeth Caroline HOPE | |
| B: | 4 Mar 1885 |
| M: | 16 Feb 1904 |
| D: | 25 Mar 1964 |
| David Foulk MYDDELTON | |
| B: | 25 May 1932 |
| D: | 22 May 2021 |
| Anne RATCLIFFE-BROTHERTON | |
| B: | Between Oct 1939 and Dec 1939 |
| M: | 5 Jan 1965 |
| D: | 18 Oct 2023 |
| Fiona Violet MYDDELTON | |
| B: | 24 Sep 1934 |
| D: | 11 Feb 2023 |
| Mary Margaret Elizabeth PETTY-FITZMAURICE | |
| B: | Abt 1910 |
| D: | Abt 2003 |
| Ririd MYDDELTON | |
| B: | 25 Feb 1902 |
| M: | 27 Jul 1931 |
| D: | 7 Feb 1968 |
| Caroline Margaret PETTY-FITZMAURICE | |
| B: | 8 Jan 1939 |
| D: | 27 Sep 1956 |
| Georgina Elizabeth PETTY-FITZMAURICE | |
| B: | 10 Jan 1950 |
| D: | 5 Dec 2022 |
| London | |
| 8th Marquess of Lansdowne George John Charles Mercer Nairne PETTY-FITZMAURICE | |
| B: | 27 Nov 1912 |
| D: | 25 Aug 1999 |
| Barbara Dempsey CHASE | |
| B: | Abt 1918 |
| M: | 18 Mar 1938 |
| D: | 18 Feb 1965 |
| Meikleour, Perth & Kinross | |
| Gillian Anna MORGAN | |
| B: | 1 Jul 1936 |
| M: | 15 Oct 1978 |
| D: | Between Apr 1982 and Jun 1982 |
| Westminster, London W | |
| Penelope Eve ASTOR | |
| M: | 12 Jul 1995 |
| D: | Abt 2006 |
| Charles George Francis Mercer Nairne PETTY-FITZMAURICE | |
| B: | 12 Feb 1874 |
| D: | 30 Oct 1914 |
| Violet Mary ELLIOT-MURRAY-KYNYMOUND | |
| B: | 28 May 1889 |
| M: | 20 Jan 1909 |
| D: | 3 Jan 1965 |
| Pégomas, France | |
| Theresa GIROUARD | |
| D: | 3 May 2009 |
| Cynlais Kenneth Morgan (Sir) JAMES | |
| B: | 29 Apr 1926 |
| D: | 19 Jul 2013 |
| Mark GIROUARD | |
| B: | 7 Oct 1931 |
| Marylebone, London W | |
| D: | 16 Aug 2022 |
| Blanche Maud de la Poer BERESFORD | |
| B: | Abt 1898 |
| D: | 29 Sep 1940 |
| Staines, Middx | |
| Richard Desiré GIROUARD | |
| B: | Between Jul 1905 and Sep 1905 |
| London, St George Hanover Square | |
| M: | 26 Oct 1927 |
| London, St George Hanover Square | |
| D: | 12 Nov 1989 |
| Kensington, London SW | |
| Blanche DAWNAY | |
| B: | 1 Feb 1928 |
| Paddington, London W | |
| D: | 22 Aug 1953 |
| Ringsted, Zealand, Denmark | |
| Rachel DAWNAY | |
| B: | 25 Sep 1929 |
| D: | 1 Aug 1983 |
| Leamybrien, Co. Waterford, Ireland | |
| Peter DAWNAY | |
| B: | 17 Dec 1932 |
| Lucknow, Uttar Pradash, India | |
| D: | 6 Apr 2021 |
| Hugh DAWNAY | |
| B: | 17 Dec 1932 |
| Lucknow, Uttar Pradash, India | |
| D: | 28 May 2012 |
| Katherine Nora de la Poer BERESFORD | |
| B: | 23 Dec 1899 |
| D: | Abt 1991 |
| David (Sir) DAWNAY | |
| B: | 10 Jul 1903 |
| Kilmeadon, Co. Waterford, Ireland | |
| M: | 14 Oct 1926 |
| Paddington, London W | |
| D: | 9 Oct 1971 |
| 8th Marquess of Waterford John Hubert de la Poer BERESFORD | |
| B: | 14 Jul 1933 |
| D: | 11 Feb 2015 |
| Portlaw, Co. Waterford, Ireland | |
| Patrick Tristram de la Poer BERESFORD | |
| B: | 16 Jun 1934 |
| London, St George Hanover Square | |
| D: | 18 Mar 2020 |
| Berkshire, West | |
| Julia Jill WILLIAMSON | |
| M: | 26 Nov 1964 |
| D: | 21 Oct 2013 |
| 7th Marquess of Waterford John Charles de la Poer BERESFORD | |
| B: | 6 Jan 1901 |
| Portlaw, Co. Waterford, Ireland | |
| D: | 25 Sep 1934 |
| Portlaw, Co. Waterford, Ireland | |
| Juliet Mary LINDSAY | |
| B: | 27 Jan 1904 |
| M: | 14 Oct 1930 |
| London, St George Hanover Square | |
| D: | Abt 1987 |
| David MILLER | |
| B: | 30 Dec 1929 |
| D: | 24 May 2013 |
| Beatrix Patricia de la Poer BERESFORD | |
| B: | 23 Dec 1902 |
| D: | 19 Jun 1986 |
| Lynden Roberts MILLER | |
| B: | 1 May 1900 |
| M: | 7 Jul 1926 |
| Paddington, London W | |
| D: | 28 Jun 1973 |
| William Mostyn de la Poer BERESFORD | |
| B: | 30 May 1905 |
| Stradbally, Co. Waterford, Ireland | |
| D: | 24 Nov 1973 |
| Hugh Tristam de la Poer BERESFORD | |
| B: | 1 Oct 1908 |
| D: | 23 May 1941 |
| At Sea | |
| Beatrix Frances PETTY-FITZMAURICE | |
| B: | 25 Mar 1877 |
| D: | 5 Aug 1953 |
| 6th Marquess of Waterford Henry de la Poer BERESFORD | |
| B: | 28 Apr 1875 |
| M: | 16 Oct 1897 |
| London, St George Hanover Square | |
| D: | 1 Dec 1911 |
| Portlaw, Co. Waterford, Ireland | |
| Osborne de Vere BEAUCLERK | |
| B: | 16 Oct 1874 |
| D: | 2 Mar 1964 |
| Maud Evelyn HAMILTON | |
| B: | 17 Dec 1850 |
| D: | 21 Oct 1932 |
| 5th Marquess of Lansdowne Henry Charles Keith PETTY-FITZMAURICE | |
| B: | 14 Jan 1845 |
| London | |
| M: | 8 Nov 1869 |
| Westminster, London W | |
| D: | 3 Jun 1927 |
| Clonmel, Co. Tipperary, Ireland | |
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