17 Dec 1858 - Birth of his biological father William Wallis at Grand Rapids, Kent County, Michigan, USA 

01 Jan 1862 - Birth of his biological mother Grace Anderson at Joliet, Will County, Illinois, USA 

13 Mar 1881 - Marriage of parents at Lamont, Buchanan County, Iowa, USA 

30 May 1899 - Birth at Perry Township, Davison County, South Dakota, USA 

02 May 1900 - Birth of his wife Mary Holzapfel at Kiantone, Chautauqua County, New York, USA 

21 May 1921 - (21 years) Death of his biological mother Grace Anderson at Mitchell, Davison County, South Dakota, USA 

24 May 1921 - (21 years) Marriage with Mary Holzapfel at Mitchell, Davison County, South Dakota, USA 

17 Sep 1923 - (24 years) Death of his biological father William Wallis

23 Jun 1961 - (62 years) Death of his wife Mary Holzapfel at Mitchell, Davison County, South Dakota, USA 

07 May 1967 - (67 years) Death at Mitchell, Davison County, South Dakota, USA