22 Feb 1850 - Birth of his biological father Jacob Koppen at Dusseldorf, Germany 

24 May 1867 - Birth of his biological mother Elizabeth Koppen at Cassville, Grant County, Wisconsin, USA 

25 Nov 1885 - Marriage of parents

21 Apr 1892 - Birth

28 Apr 1914 - (22 years) Death of his biological father Jacob Koppen

Apr 1914 - (21 years) Burial of his biological father Jacob Koppen at Calvary Cemetery, Algona, Kossuth County, Iowa, USA 

15 Nov 1960 - (68 years) Death of his biological mother Elizabeth Koppen

Nov 1960 - (68 years) Burial of his biological mother Elizabeth Koppen at Calvary Cemetery, Algona, Kossuth County, Iowa, USA 

12 May 1970 - (78 years) Death

May 1970 - (78 years) Burial at Calvary Cemetery, Algona, Kossuth County, Iowa, USA