Hon. William CAVENDISH, MP
1783 - 1812 (29 years)
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| William CAVENDISH, Marquis of Hartington | |
| B: | 10 Dec 1917 |
| D: | 9 Sep 1944 |
| Lady Kathleen KENNEDY, Marchioness of Hartington | |
| B: | 20 Feb 1920 |
| Brookline, Norfolk County, Massachusetts, USA | |
| D: | 13 May 1948 |
| Ste Bauzille, Ardeche, Rhone-Alpes, France | |
| Andrew CAVENDISH, 11th Duke of Devonshire | |
| B: | 2 Jan 1920 |
| D: | 3 May 2004 |
| Deborah MITFORD | |
| B: | 31 Mar 1920 |
| M: | 1941 |
| D: | 24 Sep 2014 |
| Lady Mary CAVENDISH | |
| B: | 1922 |
| D: | 1922 |
| Lady Elizabeth Georgiana Alice CAVENDISH | |
| B: | 24 Apr 1926 |
| D: | 15 Sep 2018 |
| Lady Anne Evelyn Beatrice CAVENDISH | |
| B: | 9 Nov 1927 |
| D: | 9 Aug 2010 |
| Michael Lambert TREE | |
| B: | 1921 |
| M: | 3 Nov 1949 |
| D: | 1999 |
| Lord Edward CAVENDISH, 10th Duke of Devonshire | |
| B: | ay6 May 1895 |
| Stepney, London, Middlesex, England | |
| D: | 26 Nov 1950 |
| Eastbourne, Sussex, England | |
| Lady Mary Alice GASCOYNE-CECIL, Duchess of Devonshire | |
| B: | 29 Jul 1895 |
| D: | 24 Dec 1988 |
| Lady Maud Louisa Emma CAVENDISH | |
| B: | 1896 |
| Lady Blanche Katherine CAVENDISH | |
| B: | 1898 |
| Lady Dorothy Evelyn CAVENDISH | |
| B: | 28 Jul 1900 |
| D: | 21 May 1966 |
| Rt. Hon. Maurice Harold MACMILLAN, 1st Earl of Stockton, OM, PC, FRS | |
| B: | 10 Feb 1894 |
| D: | 29 Dec 1986 |
| Lady Rachel CAVENDISH | |
| B: | 1902 |
| Lord Charles Arthur Francis CAVENDISH | |
| B: | 5 Aug 1905 |
| D: | 23 Mar 1944 |
| Lismore, County Waterford, Ireland | |
| Lady Anne CAVENDISH | |
| B: | 1909 |
| His Grace Victor Christian William CAVENDISH, 9th Duke of Devonshire, KG, GCMG, GCVO, TD, PC, JP | |
| B: | 31 May 1868 |
| Marylebone, London, Middlesex, England | |
| D: | 6 May 1938 |
| Evelyn Emily Mary PETTY-FITZMAURICE, Duchess of Devonshire | |
| B: | 27 Aug 1870 |
| M: | 30 Jul 1892 |
| D: | 2 Apr 1960 |
| Lt.-Col. Lord Edward CAVENDISH, MP | |
| B: | 28 Jan 1838 |
| Marylebone, London, Middlesex, England | |
| D: | 18 May 1891 |
| Emma LASCELLES | |
| D: | 1920 |
| His Grace William CAVENDISH, 7th Duke of Devonshire, KG, PC | |
| B: | 27 Apr 1808 |
| D: | 21 Dec 1891 |
| Blanche Georgiana HOWARD | |
| B: | 11 Jan 1812 |
| Castle Howard, Ryedale, Yorkshire, England | |
| D: | 27 Apr 1840 |
| Hon. William CAVENDISH, MP | |
| B: | 10 Jan 1783 |
| D: | 14 Jan 1812 |
| Cumbria, England | |
| Louisa O'CALLAGHAN | |
| M: | 18 Jul 1807 |
| D: | 1863 |
