One Branch of Hirschman Geneaology Great Grandfather Jacob C. Hirschman 1848 -1896 immigrated in 1868 to Indianapolis from Sulzbach-am-Kocher, Wuertemberg Germany. Great Grandfather Karl Christian Neermann 1837-1926 immigrated to Indianapolis in 1857 from Frille, Pommern. Great Grandfather August Geist was an orphan who grew up on the Hooten farm in Illinois, and became a protestant preacher. Great Grandfather Samuel Speicher 1835-??? was a wealthy Swiss-American farmer in Wabash County, Indiana.