Maurer proposed Weser-Rhine Germanic as part of a three-way division of the languages traditionally recognized West Germanic. According to Maurer, West Germanic did not exist as a subgroup within the Germanic languages: rather West Germanic consists of three distinct dialect groups, with Weser-Rhine Germanic coexisting with North Sea Germanic and Elbe Germanic. According to Maurer, Weser-Rhine Germanic was ancestral to a proposed early Frankish language, and related dialects in
Hesse, thus giving rise to the
Franconian dialects, including modern
Dutch, as well as the
Central German dialects. He thus proposed that Central and the
Upper German dialects only secondarily became united into a single High German language via the
High German consonant shift. This language family effectively joined into the greater West Germanic language continuum, from which the consonant shifts spread. It was proposed that this unification of the languages was encouraged by the political unification of these areas achieved by the
Merovingian dynasty. While some linguists discuss Weser-Rhine Germanic as a subgrouping within the West Germanic languages, linguists do not generally support Maurer's theory. Current scholarship is less inclined to propose distinct proto-languages to explain the lack of unity in West Germanic, instead relying on the notion of a
dialect continuum. There is no linguistic evidence that separates supposed Weser-Rhine Germanic languages from supposed Elbe Germanic languages. Furthermore, cultural and archaeological groupings do not necessarily correspond to linguistic divisions, and Maruer's theory requires common West Germanic linguistic innovations to be later developments that spread to all West Germanic languages. Moreover, the large tribal divisions that Maurer assumes for his theory, such as the Franks, Alemanni, etc. do not seem to predate the
Migration Period. ==Maurer's methodology==