Treating the descendants of Jacob and Madalen (Keller) Hirzel of the Parish Pfäffikon, Switzerland whose descendants Hans Paul Hirtzel and wife, Anna Catharina (Wagner), and son, George Henrich Hertzel (Hartzell) emigrated from Reihen, Baden, in the Palatinate to Pennsylvania and settled in Rockhill Township, Bucks County.

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.

John Francis Huber (ca.1718-1787/1790) immigrated from Switzerland to Philadelphia in 1751, and settled in Bucks County, Pennsylvania. Descendants lived in Pennsylvania, Delaware, New England, Ohio, Iowa, Illinois, Minnesota, Nebraska, Kansas, California and elsewhere.

William Wilson was born in 1778 in Pennsylvania. He married Ann Mackey, daughter of Samuel Mackey, in 1799. They had six known children. He died in about 1850 in Burke County, North Carolina. Ancestors, descendants and relatives lived mainly in England, Germany, Pennsylvania, Virginia, North Carolina, Arkansas and Oklahoma.

Includes entries for maps and atlases.