The wine merchant Peter Joseph Valckenberg (1764-1837) bought in the course of the Napoleonic Secularization in 1808 the historical vineyards of the famous single vineyard Liebfrauenstift-Kirchenstück in Worms (Rheinhessen). The winery "PJ Valckenberg" developed from this. This is still partly owned by his descendants and has since been opened Liebfrauenstift renamed. The Valckenberg company has the sole right to use the brand name "Madonna" for the wine Liebfraumilch to use. He is one of the most successful brand wines of the world. In the company's wine trading division, German wines are sold by well-known wineries in 40 countries worldwide, the main market is Asia ( China. Japan ).