31 May 1841 - Birth of his biological father Joseph Maxwell at Ohio, USA 

1852 - Birth of his biological mother Sarah Dutton at Crete, Will County, Illinois, USA 

25 Dec 1867 - Marriage of parents at Taylor County, Iowa, USA 

25 Dec 1871 - Birth at Iowa City, Johnson County, Iowa, USA 

1884 - (12 years) Death of his biological mother Sarah Dutton at Fairview Township, Clay County, South Dakota, USA 

11 Jul 1927 - (55 years) Death of his biological father Joseph Maxwell at Kalispell, Flathead County, Montana, USA 

17 Aug 1955 - (83 years) Death at Vermillion, Clay County, South Dakota, USA