A focused population profile of Alsatians from Bas-Rhin, their Rhine-border background, closest modern genetic matches, ancestry model, and World Genetics G25 heatmap.
Alsatians from Bas-Rhin come from northern Alsace, including Strasbourg and the Rhine-border region between France and Germany. Alsatian history includes Alemannic-speaking settlement, the Holy Roman Empire, French and German rule, Rhine trade, Catholic and Protestant communities, and strong borderland identity.
French is the official language, while Alsatian dialects are Alemannic German varieties historically spoken across the region. Bas-Rhin should be read as an Alsatian/Rhine reference, not simply as broad French or broad German.
As a genetic reference, Alsatian Bas-Rhin is useful for comparison with German South, Baden-Wurttemberg, Hesse, French Hauts-de-France, German Saarland, Belgian, German Rhineland-Palatinate, Flemish Brabant, Swiss German, and nearby Rhine/Upper Rhine references.
In the World Genetics modern G25 comparison, the closest non-self match for Alsatian Bas-Rhin is German South. Other nearby references include German Baden-Württemberg, French Hauts-de-France Nord, German Baden-Württemberg Ellwangen, and German Saarland. This gives the Alsatian Bas-Rhin profile its nearest modern genetic context inside the current reference database.
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The ancestry breakdown gives deeper component proportions, while closest matches show modern similarity. Alsatian Bas-Rhin is best interpreted as a Rhine-border profile, close to southwestern German, Saarland, Hesse, Belgian, Flemish, and northern French references.
The heatmap should emphasize Alsace, Bas-Rhin, Baden-Wurttemberg, Saarland, Hesse, Rhineland-Palatinate, northern France, Belgium, and the Upper Rhine region.
The closest non-self match in this World Genetics comparison is German South. Other nearby references include German Baden-Württemberg, French Hauts-de-France Nord, German Baden-Württemberg Ellwangen, and German Saarland.
In the current modern G25 reference set, German South is the closest listed match to the Alsatian Bas-Rhin average after removing Alsatian Bas-Rhin itself from the table.
The heatmap shows where modern reference populations are closer or farther from the Alsatian Bas-Rhin G25 average, giving the closest-match results a geographic view.
