Complex sentence: The Beringer family sold the Beringer name and winery to Nestlé in 1971, who in 1996 subsequently sold the enterprise to a group lead by Texas Pacific Group; the company went public the next year.
Split into simpler sentences: The Beringer family sold the Beringer name and winery to Nestlé in 1971. It sold off the company in 1996 to a group lead by Texas Pacific Group; the company went public the next year.