German champagne house based in the city Eltville in the Rheingau, In 1811 Matheus Müller (1773-1847) acquired the then Freiherr von Sohlern'schen Hof in Eltville and initially founded his company as a winery and wine commission business. After his two sons Matheus Müller jun. and Friedrich Franz in France the art of Champagne production had learned, he started in 1837 as one of the first on Rhine with the production of sparkling wines. The earned quickly sparkling wine (At that time still referred to as "Sect") from the house of Müller, and already in 1845 over 300,000 bottles were sold. In 1890, the "Müller Extra" brand was created, from which the "MM-Extra" developed at the beginning of the 19th century. Today this is produced in semi-dry and dry. In 1984 the company was sold to the spirits group Seagram and finally in 2001 by the German sparkling wine company Rotkäppchen-Mumm acquired.