The ducal title was eventually accepted by the emperors, however, and the imperial tax register of 1532 records the "Duchy on the Meuse" (Herzogtum von der Maß) as a voting member of the Reichstag.
O título ducal foi, porén, finalmente aceptado, e o rexistro fiscal imperial de 1532 documenta o "Ducado do Mosa" (Herzogtum von der Maß) como un membro votante do Reichstag.