Analysis of information sources in references of the Wikipedia article "독일의 통일" in Korean language version.
Within the boundaries of present-day Germany... Germanic peoples such as the eastern Franks, Frisians, Saxons, Thuringians, Alemanni, and Bavarians—all speaking West Germanic dialects—had merged Germanic and borrowed Roman cultural features. It was among these groups that a German language and ethnic identity would gradually develop during the Middle Ages.
Within the boundaries of present-day Germany... Germanic peoples such as the eastern Franks, Frisians, Saxons, Thuringians, Alemanni, and Bavarians—all speaking West Germanic dialects—had merged Germanic and borrowed Roman cultural features. It was among these groups that a German language and ethnic identity would gradually develop during the Middle Ages.