1830 census for Lincoln County, NC shows a David Thronberry listed. Also states the with him are 3 male children between age 5-10,2 male children age 10-15, 1 male adult age 40-50, which is himself, 2 female children age 10-15, 1 female child age 15-20, 1 adult female age 40-50(wife). Hope this may help someone. I am research Throneburg name in this area. I have no further info.