03 Feb 1887 - Birth of his biological father Otto Koppen at Lakota, Kossuth County, Iowa, USA 

21 Dec 1910 - Marriage of parents

1946 - Burial of his biological mother Edna Smith at Maple Hill Cemetery, Lakota, Kossuth County, Iowa, USA 

1946 - Death of his biological mother Edna Smith

12 Jun 1982 - Death of his biological father Otto Koppen at Timely Mission Nursing Home, Buffalo Center, Winnebago County, Iowa, USA 

Jun 1982 - Burial of his biological father Otto Koppen at Maple Hill Cemetery, Lakota, Kossuth County, Iowa, USA