Gravesite of Thomas Preston Hightower

My GGrandfather, Thomas Preston Hightower, born 5 Dec 1817, Clarke Co., GA, died 25 Jul 1896, Frost, Navarro, TX & buried there at Frost Cemetery. He was married to 1) Louisa Hodges - 2) Ruth Johnson - 3) Alabama Joyce Gray (nee Shelton) - 4) Sarah A. McCoin. I descend from #3 wife, Alabama. He fathered 19 children by the first three wives. He was a Texas Mexican War Veteran & a Civil War Veteran. Thomas was the first child of Charnell C. Hightower Sr. & Elon Watts. I would like to hear from others who descend from Thomas Preston.