William Cavendish, 4th. Duke of Devonshire KG PC
1720 - 1764 (44 years)( = Descendancy chart to this point, = Expand, = Collapse)
- 1 William Cavendish, 4th. Duke of Devonshire KG PC [1] b. 8 May 1720 d. 2 Oct 1764
- Lady Charlotte Elizabeth Boyle, 6th. Baroness Clifford b. 27 Oct 1731 d. 8 Dec 1754
- 2 William Cavendish, 5th. Duke of Devonshire, KG [1.1] b. 14 Dec 1748 d. 29 Jul 1811
- Lady Georgiana Spencer, Duchess of Devonshire b. 7 Jun 1757 d. 30 Mar 1806
- 3 Lady Georgiana Dorothy Cavendish [1.1.1] b. 12 Jul 1783 d. 8 Aug 1858
- George Howard, 6th. Earl of Carlisle b. 17 Sep 1773 d. 7 Oct 1848
- 4 Lady Harriet Elizabeth Georgiana Howard [1.1.1.1] b. 21 May 1806 d. 27 Oct 1868 [ =>]
- 4 Lady Blanche Georgiana Howard [1.1.1.2] b. 11 Jan 1812 d. 27 Apr 1840 [ =>]
- 4 Lady Elizabeth Dorothy Ann Georgiana Howard [1.1.1.3] b. 1816 d. 11 May 1891
- George Howard, 6th. Earl of Carlisle b. 17 Sep 1773 d. 7 Oct 1848
- 3 Lady Harriet Elizabeth Cavendish [1.1.2] b. 29 Aug 1785 d. 25 Nov 1862
- Granville Leveson-Gower, 1st. Earl Granville b. 12 Oct 1773 d. 8 Jan 1846
- 4 Lady Susan Georgiana Leveson-Gower [1.1.2.1] b. Oct-Nov 1810 d. 30 Apr 1866
- 4 Lady Georgiana Charlotte Leveson-Gower [1.1.2.2] b. 23 Sep 1812 d. 19 Jan 1885 [ =>]
- 4 Granville George Leveson-Gower, 2nd. Earl Granville [1.1.2.3] b. 1815 d. 1891
- 4 William Leveson-Gower [1.1.2.4] b. 1816-1818 d. May 1833
- 4 Hon. Edward Frederick Leveson-Gower [1.1.2.5] b. 1819 d. 30 May 1907
- Granville Leveson-Gower, 1st. Earl Granville b. 12 Oct 1773 d. 8 Jan 1846
- 3 William George Spencer Cavendish, 6th. Duke of Devonshire. KG. PC. [1.1.3] b. 21 May 1790 d. 18 Jan 1858
- 3 Lady Georgiana Dorothy Cavendish [1.1.1] b. 12 Jul 1783 d. 8 Aug 1858
- Lady Georgiana Spencer, Duchess of Devonshire b. 7 Jun 1757 d. 30 Mar 1806
- 2 George Augustus Henry Cavendish, 1st. Earl of Burlington [1.2] b. 31 Mar 1754 d. 4 May 1834
- Lady Elizabeth Compton b. Unknown d. Aft 1803
- 3 William Cavendish [1.2.1] b. 10 Jan 1783 d. 15 Jan 1812
- Louisa O'Callaghan b. Unknown d. 1863
- 4 William Cavendish, 7th. Duke of Devonshire. KG. PC. [1.2.1.1] b. 27 Apr 1808 d. 21 Dec 1891 [ =>]
- Louisa O'Callaghan b. Unknown d. 1863
- 3 William Cavendish [1.2.1] b. 10 Jan 1783 d. 15 Jan 1812
- Lady Elizabeth Compton b. Unknown d. Aft 1803
- 2 William Cavendish, 5th. Duke of Devonshire, KG [1.1] b. 14 Dec 1748 d. 29 Jul 1811
- Lady Charlotte Elizabeth Boyle, 6th. Baroness Clifford b. 27 Oct 1731 d. 8 Dec 1754