100% Manzoni Bianco. Manzoni is a 1930's crossing of Riesling Renano and Pinot Bianco, developed in the Veneto by Dr. Luigi Manzoni. Foradori works 5 hectares of this rare variety in the Fontanasanta vineyard at about 400 meters above the city of Trento, a few miles down-valley from the Foradori...