FYI, I have a copy of the "Peter Kepler Family of Erie and Crawford Counties, PA" compiled in 1953 by Frank Roy Kepler, a member of the Detroit Historical Society, as well as, the Society for Genealogical Research (about 170 pages).
Peter was one of the first settlers of Northwestern Pennsylvania.He was born not later than 1774 probably in Hagerstown.In the opinion of Frank Roy Kepler, Peter's father or grandfather migrated from Palatinate or Wurtemberg, Germany, landed in Philadelphia and then moved on to Hagerstown, MD.
There is a 20 page index of names at the end. A quick review of preceding threads did not establish any clear linkages.
I can respond to any lookup requests as long as they remain simple.