"All of these area are dominated by Germany"
not really - if you mean the "country". :o)
whats the familyname? if german, so they are simple swiss-german. only a research would show if once from Germany", but not all german-lingual people in Europe directly from there. you must take a look on the history of the "Germanic peoples" in Europe: http://en.wikipedia.org/wiki/Germanic_peopleshttp://en.wikipedia.org/wiki/Germanic_Europe
"Switzerland" exists much more longer then since 1800.
"The establishment of the Swiss Confederation is traditionally dated to 1 August 1291; Swiss National Day is celebrated on the anniversary."http://en.wikipedia.org/wiki/Switzerland
"My line is traced from the 1650 to the 1750's."
think you may feel "swiss". :o)