Look at the family tree and complete the sentences. 1. Greg is Ron's . 2. John is Marco's . 3. Milly is Lewis's . 4. Nanna is Milly's . 5. Lucas is John's . 6. Milly is Greg's . 7. Nanna and Greg are Ron's . 8. Lucas is Leon's . 9. Milly is Ron's . 10. Greg is Marco's . :