Rösler
Rösler, also known as Roesler, is a dark skinned Hybrid grape which is a cross between Zweigelt x (Seyve-Villard 18-402 x Blaufränkisch). This grape received acclaim in the Natural Wine world from popular Natural Wine producer Gut Oggau, who are based in Burgenland Austria. Gut Oggau use the Rösler grape in their wine Josephine.