Jacob Karper was born 17 October 1767, son of Frederick and Margaret Carper. He married, probably about 1790 and probably in Pennsylvania, Susannah Scharff, daughter of John (b. ca. 1743) and Susannah Michael Scharff (b. ca 1745) m. 12 Oct 1767.   (John later m. Mary Bridges). <14>
http://geneavillage.com/cecjr2/chap13.htm

aka: John Scharf
John Scharf who was also Rev. War.
 - Catherine SHARFF
 - Elizabeth SHARFF
 - Mary SHARFF
 - Eve SHARFF
 - Susannah SHARFF
 - John SHARFF
 - Jacob SHARFF
 - Peter SHARFF