Robert Johnston age 80 of Canton, GA died on Saturday December 15, 2012 at the Heritage Hospice . Services will be held later with private interment services . Survivors are his wife, Theodosia Johnston, Canton, GA , Son and daughter-in-law, Bob & Chrissie Johnston, Acworth, GA daughters and sons-in-law, Deborah & John Barkovich, Sarasota, FL and Kimberly & James Klehm, Canton, GA . 5 grandchildren and 5 great grandchildren . The caring staff of Darby Funeral Home in charge of arrangements.