Karl married Josephine Bertha Heck on 24 Jun 1919 in Erie, Erie County, Pennsylvania, USA. Josephine (daughter of Ludwig Heck and Anna Sabina Reinhart) was born on 1 Jan 1900 in Erie, Erie County, Pennsylvania, USA; died on 5 Dec 1974 in Erie, Erie County, Pennsylvania, USA. [Group Sheet] [Family Chart]

1. Charles Louis Benz was born on 28 Aug 1920 in Erie, Erie County, Pennsylvania, USA; died on 18 Oct 1944 in Erie, Erie County, Pennsylvania, USA.
2. Mildred Mathilda Benz was born on 11 Sep 1922 in Erie, Erie County, Pennsylvania, USA; died on 5 Jul 1988 in Erie, Erie County, Pennsylvania, USA.
3. Virginia Benz
4. Ruth Ann Benz was born on 10 May 1927 in Erie, Erie County, Pennsylvania, USA; died on 23 Aug 2007 in Erie, Erie County, Pennsylvania, USA.
5. Mary Benz
6. Dorothy Josephine Benz was born on 28 Oct 1932 in Erie, Erie County, Pennsylvania, USA; died on 4 Oct 1996 in Quakertown, Bucks County, Pennsylvania, USA; was buried in Holy Sepulchre Cemetery, Cheltenham, Montgomery County, Pennsylvania, USA.
7. Richard Benz