Family Tree

Based on the descriptions provided, here's the completed family tree:

1. Grandparents (Jack's side):
   • Paul (Grandfather)
   • Mary (Grandmother)
2. Parents (Jack's side):
   • Peter (Father)
   • Jane (Mother)
3. Jack and his brothers:
   • Jack
   • Tom
   • Timmy (Baby)
4. Parents (Sally's side):
   • Robert (Father)
   • Tina (Mother)
5. Sally and her siblings:
   • Sally
   • Philip (Brother)
   • Anna (Sister)