August married Katherine B. Koontz about 1914. Katherine (daughter of Lewis Koontz and Katharine Bott Budds) was born on 24 Apr 1884 in Pana Township, Christian County, Illinois, USA; died on 25 Sep 1969 in Portage, Columbia County, Wisconsin, USA; was buried in St. Mary's Cemetery, Portage, Columbia County, Wisconsin, USA. [Group Sheet] [Family Chart]

1. Russell C. Koch was born on 8 Aug 1915 in Illinois, USA; died on 3 Mar 2006 in Portage, Columbia County, Wisconsin, USA; was buried in St. Mary's Cemetery, Portage, Columbia County, Wisconsin, USA.
2. Elizabeth N. Koch
3. Louella Koch
4. Pearl Mae Koch was born on 23 May 1924 in Portage, Columbia County, Wisconsin, USA; died on 23 Jun 1977 in Portage, Columbia County, Wisconsin, USA; was buried in Pacific Cemetery, Portage, Columbia County, Wisconsin, USA.