Brolin was born on July 18, 1940 in Los Angeles, California. He studied at University High School. Brolin was married to Jane Cameron Agee from 1966 until they divorced in 1984. Then he was married to Jan Smithers from 1986 until they divorced in 1995. He has been married to Barbara Streisand since 1998. He has three children, including actor Josh Brolin.