SAN TAN VALLEY - John Earl Robertson, 68, of San Tan Valley died on Feb. 10, 2015, at Banner Ironwood Hospital.The graveside service will be at 12:30 p.m. Thursday in National Memorial Cemetery of Arizona, in Phoenix.Mr. Robertson was born on Nov. 1, 1946, in Caney, Kansas, and was a son of RB Robertson and Irma Jo Witt. He served in the military and was a diesel mechanic.Survivors include his wife, Janice; a daughter, Jacqueline Robertson-Smith of Casa Grande; a son, Steven Robertson of Casa Grande; a sister, Kathy Lee of Chandler; three brothers, Harry Robertson of Queen Creek, Larry Robertson of Mesa and Robert Robertson of Alaska; and five grandchildren. He was preceded in death by a sister, Mary Bates.Memorial contributions may be made to a local Veterans of Foreign Wars or American Legion post.J. Warren Funeral Services, Cole & Maud The Gardens Chapel is in charge of arrangements.