The white grape variety (also Geisenheim 3-48, Wittberger) is a new breed between Schiava Grossa (Trollinger) x Riesling What was published in 2012 DNA analysis was confirmed. Incidentally, the same parents are also the two new breeds Kerner and Rotberger emerged. The crossing took place in 1928 by Heinrich Birk (1898-1973) at the research institute Geisenheim in the Rheingau. The vine is prone to Botrytis, It produces acidic white wines, which are particularly suitable for sparkling wine production. The variety has not prevailed; in 2010 was in Germany no inventory reported.