I'm not sure that any Edler's in my tree were in PA, most were in Iowa. May be cousins that I haven't gotten too yet. There were many Edler's lines that immigrated, the last name being the same but no connections due to how names formulated in early Germany by location or title. Edler von or Von Edler could have been dropped while in Germany or upon immigration.
Feel free to keep in touch...any new info would always be welcomed.