Jan 1860 - Birth of his biological father Lewis Stevenson at Illinois, USA 

09 May 1865 - Birth of his biological mother Sarah Dutton at Woodland, Iroquois County, Illinois, USA 

05 Apr 1885 - Marriage of parents at Fulton County, Illinois, USA 

Abt 1901 - Birth at Illinois, USA 

1910 - Census: at Palmyra, Douglas County, Kansas, USA 

1920 - Census: at Wakarusa, Douglas County, Kansas, USA 

1944 - Death of his biological father Lewis Stevenson

15 Nov 1955 - Death of his biological mother Sarah Dutton