William Cavendish, 2nd. Duke of Devonshire KG PC
1673 - 1729 (56 years)(
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- 1 William Cavendish, 2nd. Duke of Devonshire KG PC [1] b. 1673 d. 4 Jun 1729
- Hon. Rachel Russell b. 1674 d. 1725
- 2 William Cavendish, 3rd.Duke of Devonshire KG PC [1.1] b. 26 Sep 1698 d. 5 Dec 1755
- Katherine Hoskyns b. 1698 d. 8 May 1777
- 3 Caroline Cavendish [1.1.1] b. 22 May 1719 d. 20 Jan 1760
- William Ponsonby, 2nd. Earl of Bessborough b. 1704 d. 11 Mar 1793
- 4 Lady Catherine Ponsonby [1.1.1.1] b. 14 Oct 1742 d. 4 Sep 1789
- 4 Lady Charlotte Ponsonby [1.1.1.2] b. Abt 1750 d. 13 May 1822
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- 4 Frederick Ponsonby, 3rd. Earl of Bessborough [1.1.1.3] b. 24 Jan 1758 d. 3 Feb 1844
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- 4 Lady Catherine Ponsonby [1.1.1.1]
- 3 William Cavendish, 4th. Duke of Devonshire KG PC [1.1.2] b. 8 May 1720 d. 2 Oct 1764
- Lady Charlotte Elizabeth Boyle, 6th. Baroness Clifford b. 27 Oct 1731 d. 8 Dec 1754
- 4 William Cavendish, 5th. Duke of Devonshire, KG [1.1.2.1] b. 14 Dec 1748 d. 29 Jul 1811
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- 4 George Augustus Henry Cavendish, 1st. Earl of Burlington [1.1.2.2] b. 31 Mar 1754 d. 4 May 1834
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- 4 William Cavendish, 5th. Duke of Devonshire, KG [1.1.2.1]
- 3 Lady Elizabeth Cavendish [1.1.3] b. 1723 d. 1796
- Rt. Hon. John Ponsonby b. 29 Mar 1713 d. 12 Dec 1789
- 4 William Brabazon Ponsonby, 1st. Baron Ponsonby of Imokilly [1.1.3.1] b. 15 Sep 1744 d. 5 Nov 1806
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- 4 Rt. Hon. George Ponsonby [1.1.3.2] b. 5 Mar 1755 d. 8 Jul 1817
- 4 John Ponsonby [1.1.3.3] b. Unknown d. Unknown
- 4 Richard Ponsonby [1.1.3.4] b. Unknown d. Unknown
- 4 Frederick Ponsonby [1.1.3.5] b. Unknown d. Unknown
- 4 Catherine Ponsonby [1.1.3.6] b. Unknown d. Unknown
- 4 Frances Ponsonby [1.1.3.7] b. Unknown d. Unknown
- 4 Charlotte Ponsonby [1.1.3.8] b. Unknown d. Unknown
- 4 Henrietta Ponsonby [1.1.3.9] b. Unknown d. Unknown
- 4 William Brabazon Ponsonby, 1st. Baron Ponsonby of Imokilly [1.1.3.1]
- 3 Caroline Cavendish [1.1.1]
- 2 William Cavendish, 3rd.Duke of Devonshire KG PC [1.1]