Looking for information about my great-great grandfather Johann/John Pohl. Married to Margaretha/Margaret Naas. Born in November 1844 in Coblentz, Prussia (according to 1920 U.S. Census). Emigrated to USA in 1872 and lived in Schenectady, New York. Had 7 children: Margaret, Katie, John, Jacob, Bernard, Joseph Peter, and William John.