 In 1859, Sainsevain sold Rancho Cañada del Rincon en el Rio San Lorenzo, and with his brother, Jean Louis, bought the El Aliso vineyards in Los Angeles from their uncle, Jean-Louis Vignes (also known as "Don Luis Del Aliso").The firm of Sainsevain Brothers, immediately proceeded to expand the scale of operations at the old El Aliso vineyard.In 1857 they opened a store in San Francisco; and by 1858 they led the state with a production of 125,000 gallons of wine and brandy.