Very small amount of her German is from Alsace, just one line (it's not Swabian). Rest is Swabian and they Danube Swabians were of diverse origins. Uncle say that Swabian was from Austria, but I did not see proof.
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While there were cases when the Habsburgs have colonized Hungary with Germans from Bavaria and Baden-Württemberg, the majority came from West Germany, like Alsace-Lorraine, Rhineland, Palatinate, Hesse. For example I traced back dozens towards hundreds of my Danube Swabian ancestors and almost couldn't find one from South Germany. The reason that they all got labeled Swabians is because they boarded boats from Ulm, in Swabia.
Post her DNA Land. Does she have German matches on GEDmatch or elsewhere?
Her DNA Land shows 0% NW Euro?
I believe that Alsatians, Swiss Germans, French Swiss and also departements like Haute-Savoie (near Geneva) are close together. Atleast from what I've seen in PCAs, Swiss Germans being the more germanic shifted.
Strangely Burgundy seems less Germanic shifted. I'm always amazed by the boundaries that can exist in a country, an area more northern will plot more southern or things like that.
Yes and some Germans from Saarland, Baden-Württemberg, Upper Swabia and Bavaria are also "French-like" and this is due to strong Celtic influence.
Bronze Age South Germany was inhabited by people very similar to modern French. Pre-Germanic substrate in the region was similar to Gauls probably.
But most of South Germans are closer to "South Dutch" or "West German" than to "French" on GEDmatch.
In Germany there is a sharp genetic border between Nordrhein-Westfalen and Rheinland-Pfalz.
Basically there is no intermediate "Central" zone*, you get either North German genetics or South German genetics.
But from Bavaria to Grand Est you have a Celto-Germanic continuum and a lot of similarity there:
(this continuum also extends into Belgium and South Netherlands, which are more southern-shifted than Westphalia)
https://i.imgur.com/tInGrK6.png
*If an intermediate zone exists then it must be very thin, just like intermediate NW French vs. SW French zone must be very thin.
In Western France, you also get either Breton-like genetics or Aquitanian-like genetics, with little or no intermediate "central" zone.
Yes, definitely closer to Rhone-Alpes than to Alsace or regions further north. And Romandy (French Switzerland) is also like that.