 He also noted the changes with trellising in the region with more vines being staked close to the grounds rather than cultivated high among trees in the manner more common to Italian viticulture at the time.In the 17th century, the court jeweller of Charles Emmanuel I, Duke of Savoy earned broad renown for his pale red "Chiaretto" made entirely from the Nebbiolo grape.During the "Risorgimento" (Italian unification) of the 19th century, many Piemontese winemakers and land owners played a pivotal role.