Friedrich Buntebarth, Prenzlau
The company was founded in 1840 by Friedrich Buntebarth (*1814-†1876). After his death, the company was taken over by Eickhoff and from 1883 it was owned by Wilhelm Nehls. His family owned the company until it was nationalised in 1953.
[Source: Likörmanufaktur Alrich (relevant page), cited 2022]