I have a book written by Minnie Landwehr Stuhlsatz, Lucy Landwehr Kampling and their nephew Walter Landwehr that says "Our grandfather Gerhard Heinrich Landwehr born Dec. 4, 1800 and baptized the same day in German, Neunkirchen in Hulsen out of Fursteman----Onabruck Kingdom Hanover, died suddenly Aug. 16, 1874 at Fulda, Indiana." "He was married in Germany. Henry Landwehr to Margaret Adelhaid Kruse, witnessed by Gerhart Henry Kruse and MArie Anna Schulte May 10, 1839A. Eickhorst, Pastor.He received his citizenship papers to the United States, Sept. 19, 1842.They had five children.All born at Hamilton, Ohio.Henry, John, Joe, Ben, and Elizabeth."This goes on..... is this the person you are looking for, and what other info were you looking for?