Sean Knight Nicholson, Jack Nicholson's 29-year-old nephew, was arrested on August 5 in Los Angeles after a woman accused him of assaulting her. The actor's 88-year-old nephew was released the same day on $50,000 bail, authorities confirmed to the American edition of The SunSean, also known as Sean Norfleet, is scheduled to appear in Los Angeles court on August 26.