Seeking info on my gggrandather Joseph KNAPP born 5 nov 1852,in Vanderburg Co, Ind. He died 11 jan 1929,in Newark, South Dakota. He married Margaret Dawald,17 Apr 1876,in Faribault,Minn..He served four years as Sheriff of LaSuer Co,Minn. He also was Deputy Sheriff of Marshall Co.I'm looking for info on his parents and siblings..Joseph's father was poss John S.Knapp,born 1829 in Prussia.Any info would be greatly appreciated..Thanks in advance