I have a John Diffenderfer (b: 28 Feb 1840 d: 20 Sept 1913, R: Rapho Twp., Lancaster Co., PA. Note: Buried in the Sporting Hill Cemetery , Lancaster Co. , PA. m: Catherine Fehl (b: 1849 d:1869)The following E-Mail address maybe helpful to you. They were to me. (1) firstname.lastname@example.org and (2)email@example.com. I hope this will be of assistance to you.