Names Gohrau, Kr. Wittenberg, Saxony-Anhalt Surnames Bock (Boisroux) Schmidt (Boisroux-2) Source(s) Gohrau (German Wikipedia) Gohrau (Meyer's Gazetteer) Gohrau (Wikipedia) 51.816667, 12.466667 Volga Colonies Boisroux Katharinenstadt Cäsarsfeld Stahl am Karaman Rosental (am Yeruslan) Boisroux Immigration Locations Podsosnovo, Altai Krai (Siberia)