I am descended from Jonathan Weiser and Magdalene Diener through their son Lewis Weiser (b. 14 Feb 1817) m.Catherine Herb. I believe that David Weiser of Oley Township, Berks Co., PA may be Jonathan's grandfather, but I can't seem to find any information or any links. He (David) originally came from Germany and married Maria Catharine DeTurk.

Is there anyone out there that can shed some light and help me trace backwards?