Other cities that he has stayed in are Exton, Philadelphia and Glen Mills. Possible relatives of William are: Nefferdorf Kathy Preitz, Cathy A Nefferdorf, Bill Nefferdorf and 2 other people. William is a resident of 208 Mitchell Rd, Exton, Pa 19341. This year William celebrated his 62 birthday. The birth year was listed as 1962. Records link phone number (610) 594-0179 with William’s details.