George and Susan Shaffer lived in Lycoming County, Pennsylvania. They had a son Adam Shaffer who married Elizabeth Gortner. Phillip was a son of Adam.

George Shaffer (1764 to 1838)
Adam Shaffer (1798 to 1818)
Phillip Shaffer (1828 to 1906)

Other Philip Shaffers in my family tree are
Philip Raymond Shaffer (1860 to 1961)
Philip Carl Shaffer (1849 to ??)