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Veteran
yes, no, maybe - and 'it depends'from the Rhineland.
the definition/borders/edges of "Rhineland" changed many times throughout history.
Jakob Ammann (c. 1644–c. 1730) was Mennonite, but split from that, 'founding' a new sect which became 'the Amish'
the Amish communities ranged from Switzerland north to Holland, and curiously.... Russia.
they fled to America (largely) due to religious persecution; following in the foot steps of William Penn and the Quaker sect from UK.
as history wore on, the unity/division/etc has become rather complicated . . .
the three main groups - historically tagged as "plain folk" - Quakers, Mennonite, Amish
the Old Order Amish remain the most reactionary. the others have largely/semi integrated into "modern society"