The winery owner Valentin Blattner from Soyhières from the canton law ( Switzerland ) has been quite extensive as a private breeder since the 1980s. The intersections were carried out on his farm, the subsequent selection and rearing partly in the Rebschule Freytag in Neustadt / Lachen-Speyerdorf in the palatinate ( Germany ). Great importance was attached to resistance to frost and fungal diseases laid, therefore mostly were varieties of the species Vitis amurensis or involved with gene components thereof. So it's mostly about PIWI varieties, Unusually, the breeder does not use both parents, but only prominent varieties such as the one that is often involved Cabernet Sauvignon called. Blattner created the new varietiesBirstaler nutmeg. Cabaret Noir. Cabernet Blanc. Cabernet Colonjes. Cabernet Jura. Cabertin. Millot-Foch. Pinotin. Reselle. Riesel. Satin noir. Sauvignac and VB 32-7, These varieties are partly in Belgium. Germany. Canada, the Netherlands. Austria and especially in the Switzerland grown.