Johann Frantz Hammer (1722-1802), son of Johann Leonhardt Hammer, emigrated in 1747 from his birthplace in Pferdsfeld of Rhineland Pfalz in Germany to Philadelphia, Pennsylvania. He married Rebecca Eisin in 1749 in York, Pennsylvania. By 1765 they had moved to Carroll County, Maryland. Many descendants lived in Bedford County, Pennsylvania, and in Texas. Descendants include the surnames Allison, Bowers, Cauffiel, Corle, Crist, Gephart, Harbaugh,...