A Graveside Memorial Service for John Aaron Mertz, 31 of Knoxville, will be held on Saturday, June 29, 2019 at the Sandyville Cemetery at 10:30 a.m. The family will greet friends and refreshments will be served at the First Presbyterian Church, in Knoxville, following the graveside service. In lieu of flowers, memorials may be made to the family for Harper’s future education. Online condolences may be left at www.BertrandFuneralHomes.com.