Robert Murry Guy IVMurry and Tiffany Guy of Lanett, Ala., announce the birth of their son Robert Murry Guy IV at 6:21 p.m. Monday, March 21, 2011, at East Alabama Medical Center in Opelika, Ala.He weighed 8 pounds, 8 ounces and was 21 inches long. Robbie joins a sister Katie, 4 and a half, at home.Maternal grandparents are Danny and Kathy Vaughn of Barnesville. Maternal great-grandparents are Rev. Henry Vaughn and the late Dorothy Vaughn of Barnesville, Corry White of Conyers and the late Vera Wilson of Barnesville.Paternal grandparents are Sonny and Linda Guy of Opelika. Paternal great-grandparents are Jane Perry Guy and the late Robert Murry Guy Sr. of Opelika and Bud and Lorraine Madsen of Palm City, Fla.