Lucy Katherine Beale was the daughter of Ian Beale and Cindy Beale. She was the twin sister of Peter Beale and half-sister of Bobby Beale, Steven Beale and Cindy Williams. Lucy became the stepdaughter to Melanie Owen, Jane Beale and Laura Beale. Hetti Bywater became the final actress to play the character, appearing in exactly 211 episodes (including the flash-back episode).