Hi, please contact :
www.jeanlouis-lambert.fr .......about Schneeberg/ Gut(t)wasser
1681 H. Christianus Guttwasser, Bürger und Handelßmann
(Citizen and Salesman)
(In Zwickau(City in Germany), there is also a Gutwasserstr. /Gutwasser Street
Böhmen is an area/Landscape or region, Schneeberg is a small city, known for its silver mines and trading in those times. I think politically subordinated to Zwickau at that time. Try also Gutwasser, Guttwasser, Guthwasser.