The only ones you mentioned that I have in my database are Peter Michael 11/25/1735 Germany - 4/2/1808 Frederick Co., MD and wife Doreatha Schmidt. No further information on this family. Peter's parents were Christopher Michael 4/4/1708 Switzerland - 8/14/1783 Sharpsburg, Washington Co., MD & Anna Catherine Thankbonder. Christopher's parents were Franz Ludwig Michael 7/29/1675 Switzerland -1 1720 Switzerland & Anna Barbara Lerber. I descend from your Christopher's brother Andrew Michael I 1720 Germany - 3/1800 Frederick Co., MD & Anna Barbara Sinn.