The Thomas you mentioned may be a grandson of David Anthony Vestal and Sarah Chamness. Through various searches, I have come across children of David A. and Sarah - one of which died in Marshall, Parke County, Indiana. Her name was Achsah b: Nov 11,1783 Chatham Co., NC, d: July 26,1863 Indiana. The other siblings I have come across have been David d: Ripley, Indiana; Ann b: Nov 12,1778 Chatham; Daniel b: Oct 25, 1761 Orange Co., NC; Elizabeth b: Dec 10, 1764 and Sarah b: July 12, 1776 Orange Co., NC There may be other siblings.