John Douglas Robertson of Exeter, Calif. passed away in Exeter on June 13, 2020. He was 82 years old. John was born in California on June 2, 1938. A Graveside Service will be held at 10 a.m. on Friday, June 19, 2020 at the Exeter District Cemetery. Condolences may be sent to the family at www.evansmillerguinnchapel.com. Services entrusted to Evans Miller Guinn Chapel.