Researching Robert Thompson family. He and wife Nancy (Brown) moved from Preble Co. to Edgar Co. in 1852.Son Wm.H. there on 1860 census. Dau.Edna m. (1)Wm.Miller (2) James Knight.Son Robt.Woody T. (m. Susan Lamb) also there as well as dau.Martha Jane Hickman. Who was John Thompson who had land adjoining Hickman,Knight and Wm.Thompson in 1860 census?