Lady Maria Emma Catherine Coventry
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- 1  Lady Maria Emma Catherine Coventry [1]  b. 13 Dec 1836 d. 7 Feb 1912
  Hon. Gerald Henry Brabazon Ponsonby  b. 17 Jul 1829 d. 30 Nov 1908
- 2  Louis George de Hale Ponsonby [1.1]   
 b. 11 Nov 1858 d. 6 Nov 1887
                    
  Elizabeth Susan Leyborne-Popham  b. Between 1 Oct 1858 and 31 Dec 1858 d. Between 1 Jul 1935 and 30 Sep 1935
- 3  Mabel Elizabeth Ponsonby [1.1.1]   
 b. Between 1 Apr 1883 and 30 Jun 1883 d. Aft 1891
                                 - 3  Eileen Cecilia Ponsonby [1.1.2]   
 b. Between 1 Apr 1885 and 30 Jun 1885 d. Aft 1919
                                    - +  Douglas Stewart  b. Abt 1875 d. Aft 1919
 
 - +  Douglas Stewart  b. Abt 1875 d. Aft 1919
 - 3  Joan Ponsonby [1.1.3]   
 b. 3 Jul 1887 d. 9 Jan 1981
                                    - +  Maurice Bevan  b. 9 Aug 1886 d. 6 Jan 1925
 
 - +  Maurice Bevan  b. 9 Aug 1886 d. 6 Jan 1925
 
- 3  Mabel Elizabeth Ponsonby [1.1.1]   
 
 - 2  Cecil Edward George Ponsonby [1.2]   
 b. Between 1 Jan 1860 and 31 Mar 1860 d. 19 Apr 1877
                 - 2  Geraldine Sarah Ponsonby [1.3]   
 b. 7 Mar 1863 d. 29 Nov 1944
                    - +  Dermot Robert Wyndham Bourke, 7th. Earl of Mayo  b. 2 Jul 1851 d. 31 Dec 1927
 
 - +  Dermot Robert Wyndham Bourke, 7th. Earl of Mayo  b. 2 Jul 1851 d. 31 Dec 1927
 - 2  Adela Sophia Georgiana Ponsonby [1.4]   
 b. Between 1 Apr 1864 and 30 Jun 1864 d. Between 1 Jan 1902 and 31 Mar 1902
                 
- 2  Louis George de Hale Ponsonby [1.1]   
 
 
