Karl married Cecilia Elfrieda Mettler on 23 Aug 1940 in Menno, Hutchinson County, South Dakota, USA. Cecilia (daughter of Jacob Frederick Mettler and Magdalena Mettler) was born on 7 Jan 1917 in Kassel, Hutchinson County, South Dakota, USA; died on 15 Mar 2010 in Menno, Hutchinson County, South Dakota, USA; was buried in Zion Reformed Cemetery, Menno, Hutchinson County, South Dakota, USA. [Group Sheet] [Family Chart]