
| Lady Beatrice Edith Mildred GASCOYNE-CECIL | |
| B: | 10 Aug 1891 |
| D: | 1980 |
| Robert Arthur James GASCOYNE-CECIL, 5th Marquis of Salisbury | |
| B: | 27 Aug 1893 |
| D: | 23 Feb 1972 |
| 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 |
| Lady Mary Alice GASCOYNE-CECIL, Duchess of Devonshire | |
| B: | 29 Jul 1895 |
| D: | 24 Dec 1988 |
| Lord Edward CAVENDISH, 10th Duke of Devonshire | |
| B: | ay6 May 1895 |
| Stepney, London, Middlesex, England | |
| D: | 26 Nov 1950 |
| Eastbourne, East Sussex, England | |
| Lord Edward Christian David GASCOYNE-CECIL | |
| B: | 9 Apr 1902 |
| D: | 1 Jan 1986 |
| James Edward Hubert GASCOYNE-CECIL, 4th Marquis of Salisbury | |
| B: | 23 Oct 1861 |
| D: | 4 Apr 1947 |
| Cicely Alice GORE | |
| B: | 15 Jul 1867 |
| M: | 17 May 1887 |
| Westminster, London, Middlesex, England | |
| D: | 5 Feb 1955 |