John, I do show some information on your grandfather, Clarence Lee Lawhon.My information shows that his dad was Clarence K. Lawhon (b. 10/21/1903, d. 4/28, 1978) married to Annie "Maude" Roberts.I show his dad as Hamilton D. (DeLester of Deleslie) "Les" Lawhon (b. 8/20/1851 SC, d. 10/16/1924) married to Mary R. Giles (b. 4/29/1858 FL, d. 6/1939).I show his dad as John Lawhon (b. about 1815 NC, d. 10/30/1879) married Clara or Clarisa (b. about 1826.
John Lawhon first shows up in the Wakulla County between the 1850 and 1860 census.