She was born to Valene and Gary Ewing when they were teenagers. It was because of Lucy being born that they went to Southfork which eventually ended her parents marriage. After Val and Gary left she was raised by Miss Ellie and indulged by Jock and generally ran wild. She had no limits and the only person who paid attention to her was Ray. Soon enough Ray and her had an affair and Lucy was ditching school. That was until Pamela showed up.