1. nuclear family
2. generation gap
3. genealogy tree
4. extanded family
5. foster parents
6. step parents
7. siblings
8. greatparents
9. aunt
10. uncle
11. father-in-law
12. God father
13. divorse
14. twins
15. cousin
16. grown-up
17. mutual understanding
18. eternal love
19. to spend time
20. to be born