06 Feb 1857 - Birth of his biological father Martin Cobler at Burton, Grant County, Wisconsin, USA 

04 May 1858 - Birth of his biological mother Amy Dutton at Erie, Erie County, Pennsylvania, USA 

25 Aug 1889 - Marriage of parents at Stewartville, Olmsted County, Minnesota, USA 

15 Dec 1897 - Birth

07 Jan 1905 - Death of his biological mother Amy Dutton at High Forest, Olmsted County, Minnesota, USA