I am a direct descendant of Andrew Longnecker(1768- Oct 6,1832,Preble Co,Ohio). I always that that Andrew and your Jacob might have been brothers but have been unable to make the connection since I don't know who Andrew's parents were. Perhaps you might have some information. I'm willing to pool resources to solve this mystery. Andrew Longnecker was married to an Elizabeth Rinehart(1780,Maryland- 1870,LaSalle,Ill). Their eldest son was named Jacob. Also I have a listing for a Henry Peter Rinehart(b.1769,Pa) who married in Maryland a Elizabeth Loganecker(b. 1769) Do they ring any bells? Please feel free to e-mail me at any time.