23 Sep 1883 - Birth of his father Clarence Wallis at Perry Township, Davison County, South Dakota, USA 

01 May 1888 - Birth of his mother Stella Chamberlain at Beadle County, South Dakota, USA 

21 Jun 1911 - Marriage of parents at Silloam Springs, Benton County, Arkansas, USA 

12 Mar 1972 - Death of his mother Stella Chamberlain

22 Mar 1973 - Death of his father Clarence Wallis at Mitchell, Davison County, South Dakota, USA