Sports Joe Gibbs’ eldest son J.D. Gibbs dies at 49 from neurological disease January 13, 2019The Associated PressComments Off on Joe Gibbs’ eldest son J.D. Gibbs dies at 49 from neurological disease J.D Gibbs, who had run the day-to-day operations of his dad's NASCAR team, had a long battle with a degenerative neurological disease.