Pastorious, Rittenhouse etc where the earliest, in fact they set up the Mennonite Church in Germantown in 1690 and petitioned the Mennonite Church of the Netherlands to send a Bishop to America. They sent Bishop Felte Clemmer to America in 1712. The Bishop lived and worked in the "Great Swamp"Meeting in upper Montgomery County. They were really " Penna-Dutch" not scotch-irish. Leon Clemmer