The traditional winery based in the California
Sonoma was founded in 1904 by the Italian Samuele Sebastiani (died 1944), who immigrated from Tuscany in 1895. After the death of his father, August Sebastiani and his wife Sylvia further expanded the company. "Don Sebastiani" was called "king of open wines" because mainly simple bulk wines were produced. In 1974, daughter Mary Ann and her husband Richard F. Cuneo took over the responsibility and in 1980 also started producing quality wines. The wines were bottled under the labels Richard Cuneo, Pepperwood Grove, August Sebastiani and Talus. In his fourth generation son Marc Cuneo was responsible for the vineyards. These included at the best time 165 hectares of vineyards in various AVA areas of the Sonoma County
, After internal strife had to be sold in 2000, most brands of the house. Since then only more is produced under "Sebastiani".