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         | -33 | Birth of father | Nathaniel Nelson | Lima, NY | ca 1805 |  |  
         | -30 | Birth of mother | Clarissa Lathrop | Lima, NY | 8 Mar 1807 |  |  
         | -12 | Marriage of parents |  | Lima, NY | 21 Sep 1825 |  Craig Ferguson, “My Ferguson, Russo, Aepli, Kudobe/Kudebeh, Dugin family ancestors,”  , 16 Feb 2014 [ Web Page ]
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         |  | Birth | David Fletcher Nelson | Washington County, IL | Mar 1837 |  |  
         | 29 | Birth of daughter | Ona Viola Nelson | Holly, MI | 22 Feb 1867 |  |  
         | 32 | Birth of son | Charles Edward Nelson | Jasper, MO | 16 Jun 1869 |  |  
         | 41 | Birth of son | Bertram Ernest Nelson | Thayer, KS | 29 Sep 1878 |  |  
         | 50 | Marriage of daughter | Ona Viola Nelson to Daniel Ferguson | Thayer, KS | 21 Jun 1887 |  Craig Ferguson, “My Ferguson, Russo, Aepli, Kudobe/Kudebeh, Dugin family ancestors,”  , 16 Feb 2014 [ Web Page ]
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         | 52 | Death of mother | Clarissa Lathrop | Flint, MI | 30 Nov 1889 |  |  
         | 55 | Marriage of son | Charles Edward Nelson to Anna Christine Tout | Thayer, KS | 2 Nov 1892 |  Craig Ferguson, “My Ferguson, Russo, Aepli, Kudobe/Kudebeh, Dugin family ancestors,”  , 16 Feb 2014 [ Web Page ]
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         | 61 | Marriage (1) of son | Bertram Ernest Nelson to Frances Eveline Barnhart | Alma, MI | 2 Sep 1898 |  Craig Ferguson, “My Ferguson, Russo, Aepli, Kudobe/Kudebeh, Dugin family ancestors,”  , 16 Feb 2014 [ Web Page ]
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         | 72 | Death of spouse | Emily C. Johnson | Pasadena, CA | 11 Apr 1909 |  |  
         | 78 | Death | David Fletcher Nelson | Pasadena, CA | 21 Mar 1915 |  |  
         | 94 | Death of son | Charles Edward Nelson | Pasadena, CA | 7 Dec 1931 |  |  
         | 113 | Death of son | Bertram Ernest Nelson | Pasadena, CA | 5 Dec 1950 |  |  
         | 116 | Death of daughter | Ona Viola Nelson | Phoenix, AZ | 31 Jan 1954 |  |  |