Searching Ancestry Family Trees, I found only John's birth date is listed. No marriage listed for him. This family appears to be part of the "PETER ELDER" line, but is not found in my copy of Lee Elder's book (rev. Jan 2000).
John Elder Birth 23 Apr 1849 in Tippah, Mississippi, United States No death date.
father: Brightwell Rather Elder Birth 11 May 1818 in Georgia, United States Death 30 Aug 1888 in Union, Mississippi, United States married: Lucinda Elviney Gammel Birth 19 Feb 1823 in South Carolina, United States Death 6 Aug 1898 in Union, Mississippi, United States