Rebellious teenage daughter frequently clashing with her younger sister Charlotte.
Pete acts as Sadie's father during the escalating family and school dispute.
Sadie is described as Pete and Debbie's thirteen-year-old daughter, and Pete participates in the school-related confrontation involving her.
Debbie protects and disciplines her teenage daughter during the school conflict.
Sadie is Debbie and Pete's thirteen-year-old daughter, and Debbie becomes involved when Sadie has an online argument at school.
Their antagonistic sibling relationship is a recurring family problem.
The two daughters are repeatedly described as constantly fighting, creating additional strain for Pete and Debbie.
Explore the full interactive character relationship map of This Is 40