The white grape variety is a new variety between Seyval Blanc x Zähringer. The true parentage was determined by DNA analyses carried out in 2016; until then, Cabernet Sauvignon x Bronner was assumed. It contains genes from Vitis lincecumii, Vitis rupestris and Vitis vinifera. The hybrid was crossed in 1983 by Norbert Becker (1937-2012) at the Freiburg Institute of Viticulture. It was granted variety protection with the status of the species Vitis vinifera.
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