[1] In 1843, a 17,742-acre (27.722 sq mi) land grant was given to Jose de los Santos Berryessa as a reward from the Mexican Governor for his years of good service.
In 1850, after the Mexican War, California became part of the United States and most of the Spanish settlers including Berryessa returned to Mexico.
[citation needed] Thomas B. Knight, a native of Maine and participant in the Bear Flag Revolt at Sonoma bought a large portion of Rancho Mallacomes from Berryessa and received title to the land in 1853.
Also present are the rest of the Meritage blend: Merlot, Cabernet Franc, Malbec, and Petit Verdot, as well as Sauvignon blanc, Chardonnay, Viognier, Syrah, and some limited plantings of other varietals.
The three most prestigious and highest quality wine growers being Knights Bridge Winery, Peter Michael, and Brandon Gregory Estate.