"line-height: 115%; Arial;"of Clarkston; died June 21, 2014 at 65 years of age. Beloved husband of Nancy for 42 years; loving brother of Donna (Ervin) Ashby, the late Charles Richard Von Koehnen and the late Mary Louise Von Koehnen; brother in law of Darryl (Lan) Milligan and David Milligan; dearest uncle of Kevin C. Von Koehnen, Brandy Milasinovich, Sherry McLean and Matthew D. Milligan. John will also be missed by his beloved pets. Mr. Von Koehnen retired from General Motors SPO Plant after 37 years of service. He was a proud veteran of the U S Marine Corps and enjoyed playing his guitar.