The estate has been family-owned since 1664, and is today managed by Alwin Karp and his son Jobst-Julius. He has completed viticultural studies and experience abroad, and developed a passion to produce fine wines, having taken a responsible position at the estate since the 2008 harvest. Riesling is cultivated on 15 acres of slaty soil, mostly steeply sloping, and including the “grand cru” Juffer-Sonnenuhr, the best part of the Juffer vineyard beneath the rock-face with its sundial. Manual labour is the only alternative on that hillside, with selective hand-harvesting. Even the Romans discovered that this was one of the best sites to cultivate vines with its special macroclimate. Whilst excavating to replant, remanants of an old Roman pressing house and storage cellars were discovered at the foot of the hillside. The village of Brauneberg (“brown hillside”) is on the opposite bank of the Mosel, and the name Juffer dates from the 18th century, said to relate to daughters of a vintner who never married, remaining virgins (Jungfer in German, or as dialect Jufe). The Karps maintain a very high benchmark quality, and the wines are very expressive and concentrated, with a crisp acidity structure, fine fruit and and good mineral content. A high percentage of the production is bottled dry.