Title: Genealogical data concerning the ancestors and descendants of John Jacob Shaffer (1763-1816) of Mercersburg, Franklin County, Pennsylvania
Places: Pennsylvania, Heidelberg (Berks County : Township), Tulpenhocken (Berks County, Pa. : Township), Heidelberg (Berks County, Pa. : Township)
People: Shaffer family, Kopp family, Reiss family, Krafft family