What key details about jacob knapp can be extracted from the following bio? Bio: jacob knapp -lrb- december 7 , 1799 , otsego county , new york - march 2 , 1874 , rockford , illinois -rrb- was a popular baptist preacher of the 19th-century united states .
The answer to this question is:
- image is elder jacob knapp.jpg- signature is elder jacob knapp signature.png