Lady Charlotte Ponsonby
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- 1  Lady Charlotte Ponsonby [1]  b. Abt 1750 d. 13 May 1822
  William Fitzwilliam, 4th. Earl Fitzwilliam  b. 30 May 1748 d. 8 Feb 1833
- 2  Charles William Fitzwilliam, 5th. Earl Fitzwilliam [1.1]   
 b. 4 May 1786 d. 4 Oct 1857
                    
  Mary Dundas  b. May 1786 d. 1 Nov 1830
- 3  William Thomas Spencer Fitzwilliam, 6th. Earl Fitzwilliam [1.1.1]   
 b. 12 Oct 1815 d. 20 Feb 1902
                                    
  Lady Frances Harriet Douglas  b. 1819 d. 16 Jun 1895
- 4  Albreda Mary Wentworth-Fitzwilliam [1.1.1.1]   
 b. Between 1 Jan 1855 and 31 Mar 1855 d. 9 Oct 1933
                                                 
- 4  Albreda Mary Wentworth-Fitzwilliam [1.1.1.1]   
 
 - 3  Hon. George William Wentworth-Fitzwilliam, M.P. [1.1.2]   
 b. 3 May 1817 d. 4 Mar 1874
                                    
  Alice Louisa Anson    
- 4  Maud Wentworth-Fitzwilliam [1.1.2.1]   
 b. 27 Feb 1871 d. 15 Jul 1949
[ =>]                                                 
- 4  Maud Wentworth-Fitzwilliam [1.1.2.1]   
 
 
- 3  William Thomas Spencer Fitzwilliam, 6th. Earl Fitzwilliam [1.1.1]   
 
 
- 2  Charles William Fitzwilliam, 5th. Earl Fitzwilliam [1.1]   
 
 
