Johannes Detweiler was born August 24, 1721. He married Anna Reiff November 1, 1744. He was a merchant in Perkiomen Twp. and owned a 200 acre farm near Rahns, Pennsylvania. He died December 9, 1806. Descendants live mainly in Pennsylvania, with some in other locations in the United States and Canada. Includes Alderfer, Benner, Cassel, Detweiler, Detwiler, Hallman, Hansicker, Landis, Moyerl, Ziegler and related families.

Hans Detweiler arrived in America prior to 1724. He was living in Bebbers Twp. (later known as Skippack/Perkiomen Twp.), Pa. when he purchased land on April 8, 1724. He died abt. 1761. Hans Detweiler is listed among the first settlers of Berks and Mont- gomery Counties, originally Philadelphia County, Pa. He and his wife, Susanna, were most likely Mennonites by religion, and probably lived in Switzerland before coming to America. Joseph Harley Detwiler (1797-1852), son of Jacob and Mary Harley Detweiler, married Catherine Landis (1798-1847). They lived in Montgomery County near Yerkes. Family members live in Pennsylvania, Virginia, New Jersey and else- where.

John Valentine Kratz (1707-1780) emigrated from Germany to America on the ship "Friendship" in 1727, settling in Salford Township, Philadel phia (now Montgomery) County, Pennsylvania. He was married to Ann Clemens, by whom he had nine children. Many descendants of this large Mennonite family remained in Pennsylvania, while others migrated to Canada or moved into many other of the United States.

A two volume set which provides researchers with more than 70,000 links to every conceivable genealogical resource on the Internet.

Previously published by Magna Carta, Baltimore. Published as a set by Genealogical Publishing with the two vols. of the Genealogies in the Library of Congress, and the two vols. of the Supplement. Set ISBN is 0806316691.