After more than 15 years of research, this family can now trace their origins back to about 1600 in Germany. The immigrants arrived in 1737. Each family paragraph includes the following information when known: generation number, child number, name of descendant, dates, name of spouse, parents of spouse, residence, burial, children, and biographical notations. Some of the major surnames in the every-name index include: Batdorf, Butdorf, Dieffenbach, Fisher, Holstein, Irick, Kaser, Knoop, Lauer, Lower, Miller, Smith, Snyder, Spangler, and others. There is a wealth of information in this massive genealogy!