George married Elizabeth Sophia Ehredt on 26 Mar 1919 in Galena, Illinois. Elizabeth (daughter of Martin John Ehredt and Sophia Groezinger) was born on 26 Jun 1896 in Derinda Center, Illinois; died on 16 Feb 1976 in Savanna, Illinois; was buried in Savanna Township Cemetery, Savanna, Carroll County, Illinois. [Group Sheet] [Family Chart]

1. Albert George Grinnell was born on 05 Dec 1921 in Savanna, Illinois; died on 15 Oct 2002 in Iowa City, Iowa; was buried on 19 Oct 2002 in Rock Island National Cemetery, Moline, Illinois.
2. Elizabeth Jane Grinnell was born on 05 May 1923 in Savanna, Carroll County, Illinois; died on 18 Feb 2014 in Davenport, Scott County, Iowa; was buried in Savanna Township Cemetery, Savanna, Carroll County, Illinois.
3. Louis Martin Grinnell