German sparkling wine house based in the city Eltville in the Rheingau, In 1811, Matheus Müller (1773-1847) acquired the then Freiherrlich von Sohlern'schen Hof in Eltville and founded his company initially as a winery and wine commission business. After his two sons Matheus Müller jun. and Friedrich Franz in France the art of Champagne production He began in 1837 as one of the first on Rhine with the production of sparkling wines. Quickly earned the sparkling wine (at that time still called "Sect") from the house of Müller high recognition, and already in 1845 over 300,000 bottles were sold. In 1890 the brand "Müller Extra" was created, from which the "MM-Extra" developed at the beginning of the 19th century. This is produced today in semi-dry and dry. In 1984, the company was sold to the liquor company Seagram and finally in 2001 by the German sparkling wine multinational Rotkäppchen-Mumm acquired.