The estate is located in the municipality Konz-Oberemmel (Saar area) in the German wine-growing region Moselle
, It was taken over in 1971 by Maria Willems. The double name results from the fact that her husband Kal bore the same name thanks to a common ancestor. The operation has been run since 2001 by daughter Carolin Hofmann, who had gained experience in Australia and South Africa. Her husband Jürgen Hofmann
leads as the second family business a winery in the municipality Appenheim in Rheinhessen
, The vineyards cover four hectares of vineyards in the individual layers Altenberg, Karlsberg and Rosenberg (Oberemmel), and Herrenberg (Niedermennig). Because of the prevailing here soil types
The slogan "Schiefer meets Muschelkalk" was created. The white varieties Riesling (70% of the total area), Müller-Thurgau and Pinot Blanc, as well as the red varieties Spätburgunder and Dornfelder are cultivated. The red wines are developed after fermentation of mash partly in barrique, the white wines in steel tanks. Among the premium wines are the Rieslings "Unter der Kapelle" and "Edmond" from over 70-year-old vines from the fillet of the location Altenberg. The Riesling "Fusion II" is a joint project of grapes from the Saar and Rheinhessen. The winery is a member of the associations Mosel-Jünger, Simply Wine and Generation Riesling.