John Donald Benkelman was born on 5 May 1907 in Cass City, Tuscola County, Michigan; died on 3 Apr 1965 in Detroit, Wayne County, Michigan.
John married Jean Elizabeth Grant on 11 Jul 1938. Jean was born on 5 Apr 1910 in Chatham, Ontario, Canada; died on 12 Apr 2006 in Detroit, Wayne County, Michigan. [Group Sheet] [Family Chart]