Which natively spoken language in Kazakhstan was originally a Low Prussian dialect of East Low German, with Dutch influence ?
Languages of Kazakhstan:  Other languages natively spoken in Kazakhstan are Dungan, Ili Turki, Ingush, Plautdietsch, and Sinte Romani. Plautdietsch language: Plautdietsch or Mennonite Low German, was originally a Low Prussian dialect of East Low German, with Dutch influence, that developed in the 16th and 17th centuries in the Vistula delta area of Royal Prussia.
Plautdietsch