Christian married Apollonia Stein on 29 Sep 1897 in Evansville, Vanderburgh County, Indiana, USA. Apollonia (daughter of Franz Stein and Philippina Daussmann) was born in 0May 1872 in Vanderburgh County, Indiana, USA. [Group Sheet] [Family Chart]

1. Carl Christian Koch was born on 19 Jul 1898 in Evansville, Vanderburgh County, Indiana, USA; died on 8 Apr 2001 in Michigan, USA.
2. Chester Frank Koch was born on 14 Mar 1900 in Evansville, Vanderburgh County, Indiana, USA.
3. Helen Marie Koch was born on 23 Mar 1902 in Evansville, Vanderburgh County, Indiana, USA.