Hon. Katherine Petre
- 1783(
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- 1 Hon. Katherine Petre [1] d. 1783
- George Fieschi Heneage b. 7 Aug 1730 d. 21 Mar 1782
- 2 Mary Anne Winifred Heneage [1.1] d. Yes, date unknown
- 2 Teresa Heneage [1.2] d. Yes, date unknown
- 2 Barbara Heneage [1.3] d. Yes, date unknown
- 2 George Robert Heneage [1.4] b. 21 Dec 1768 d. 16 Jun 1833
- Frances Anne Ainslie d. 13 Mar 1807
- 3 Frances Anne Heneage [1.4.1] d. Yes, date unknown
- 3 George Fieschi Heneage [1.4.2] b. 22 Nov 1800 d. 11 May 1864
- 3 Catherine Heneage [1.4.3] b. Abt 1807 d. 16 Jun 1895
- 3 Edward Fieschi Heneage [1.4.4] b. 24 Jul 1802 d. 25 Jun 1880
- Charlotte Frances Anne Rolleston b. Abt 1820 d. 24 Jan 1853
- 4 Frederick William Heneage [1.4.4.1] b. 17 Jul 1843 d. 1 Nov 1881
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- 4 Frederick William Heneage [1.4.4.1]
- + Renee Elizabeth Levina Hoare d. 13 Mar 1871
- 3 Frances Anne Heneage [1.4.1]
- 2 Thomas Fieschii Heneage [1.5] b. 28 Sep 1771 d. Yes, date unknown
- 2 Edward Heneage [1.6] b. 21 Jul 1775 d. Yes, date unknown
- 2 Mary Anne Winifred Heneage [1.1]