Frank Leidy Germany That PA USA

I am looking for Frank Leidy 1657 married to M Eliza Keyser 1670 they had a son john jacob Leidy which is my line I am Ralph H Leidy I would like to know more about franks and eliza parents and family line in Germany. I also know that john married a Hanna Elizabeth and were married in Germany and had kids, but don't know much about them or who the were Thank You Ralph H Leidy Jr email r_h_leidy@yahoo.com