CAMDEN - Graveside service for infant twins, Peyton Mallory and Mackenzie Lynn McCaskill will be held Sunday at 4:00 p.m. in Mt. Olivet Baptist Church Cemetery. Rev. Steve Lee will officiate. Surviving are their parents, Kenneth Justin McCaskill and Jamie Amanda Williamson; paternal grandparents, Dawn Jordan of Cassatt and Kenny McCaskill of Cassatt; maternal grandparents, Sharon and Scott Westfall of Camden; paternal great-grandparents, Mary and Joe McCaskill of Cassatt, Earline Gainey of Sumter, and Jimmy Odom of Sumter; and maternal great-grandfather, James Allen McKnight of Bishopville. They were predeceased by great-grandmother, Sandra S. McKnight.