Robert, I am on your side. All you need to do is check on my posting history. That should tell you something about me. I have been on the Ancestry and Genforum for a long time.
Why did your grandmother did not speak Bohemian and German if she was born in Cheb, [Bohemia]Czech Republic? Her sister-in-law did not speak Russian but Ruthenian as most likely she was Byzantine Catholic.
The Czech and Slovak alphabet does not have a W but the V is a sound of an English W. So the VAJDA in old country becomes whatever works for the ancestor in the new country. The Polish alphabet has no V only W.
Map of Austria-Hungary empire:http://users.erols.com/mwhite28/austhung.htm
where 12 different languages were spoken.
Map of historical Bukovina:http://www.bukovinasociety.org/