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

15 Dec 1892 - Birth at Lakota, Kossuth County, Iowa, USA 

28 Aug 1899 - (6 years) Birth of his wife Emily Ward at Burt, Kossuth County, Iowa, USA 

30 Jul 1900 - (7 years) Birth of his wife Anna Bruhn at Palo Alto County, Iowa, USA 

28 Apr 1914 - (21 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 

31 May 1924 - (31 years) Birth of his son Ralph Koppen at Whittemore, Kossuth County, Iowa, USA 

04 Feb 1926 - (33 years) Birth of his son Cletus Koppen at Whittemore, Kossuth County, Iowa, USA 

07 Jul 1928 - (35 years) Birth of his daughter Mary Koppen at Whittemore, Kossuth County, Iowa, USA 

27 Feb 1930 - (37 years) Death of his wife Anna Bruhn at Whittemore, Kossuth County, Iowa, USA 

Feb 1930 - (37 years) Burial of his wife Anna Bruhn at Marathon, Buena Vista County, Iowa, USA 

15 Nov 1960 - (67 years) Death of his biological mother Elizabeth Koppen

Nov 1960 - (67 years) Burial of his biological mother Elizabeth Koppen at Calvary Cemetery, Algona, Kossuth County, Iowa, USA 

13 Sep 1968 - (75 years) Death of his wife Emily Ward at Whittemore, Kossuth County, Iowa, USA 

Sep 1968 - (75 years) Burial of his wife Emily Ward at Marathon, Buena Vista County, Iowa, USA 

16 Apr 1973 - (80 years) Death

Apr 1973 - (80 years) Burial at Marathon, Buena Vista County, Iowa, USA 

29 May 2003 - Death of his son Cletus Koppen at Dubuque, Dubuque County, Iowa, USA 

May 2003 - Burial of his son Cletus Koppen at Resurrection Catholic Cemetery, Dubuque, Dubuque County, Iowa, USA 

06 Jun 2007 - Death of his son Ralph Koppen at Algona, Kossuth County, Iowa, USA 

Jun 2007 - Burial of his son Ralph Koppen at Marathon, Buena Vista County, Iowa, USA 

26 Mar 2010 - Death of his daughter Mary Koppen at McAllen, Hidalgo County, Texas, USA 

Mar 2010 - Burial of his daughter Mary Koppen at Marathon, Buena Vista County, Iowa, USA