Ответ:

  1. Mark is Andy's brother.
  2. Ben is Anna's nephew.
  3. Joanna is Rob's grandmother.
  4. Mark is Ben's grandfather.
  5. Rob is Lucy's uncle.
  6. Zak is Emma's husband.
  7. Sam is Andy's father.
  8. Amelia is Ellie's mother.
  9. Anna is Ellie's sister.
  10. Sam is Rob's grandfather.