JJ Hahn Hermann's Vineyard Shiraz 2023JJ Hahn is a high accomplished partnership b w grape growers the Hahn family and Rolf Binder. You can't accuse the Hahn family being new to the game as they have been growing grapes in the Barossa since 1845! Maria and Johann Christian Hahn arrived in the Barossa Valley in 1845, and like many early Barossa settlers were of Silesian German descent. Second generation Barossa winemaker, Rolf Binder, first began producing wines under the JJ Hahn brand in