Question: Mennonites are traditionally multilingual with which Low Prussian dialect of East Low German, with Dutch influence language was their first?
Sentence (from "Plautdietsch language"): The term "Plautdietsch" literally translates to 'Low German', "plaut" meaning 'flat' (referring to the plains of northern Germany), and the term "Dietsch" originally meaning "of the Tribe", and referring to all the continental West Germanic peoples and their languages (i.e. Low German, Dutch, High German).
Relevant evidence: No