1. 1. Abraham and Mona are Barts parents grandparents grandad
2. 2. Bart, Lisa and Maggie are Abrahan and Monas children grandchildren grandson
3. 3. Abraham is Barts grandmother grandfather father
4. 4. Bart is Abrahams granddaughter grandson nephew
5. 5. Mona is Lisas mother grandmother grandad
6. 6. Lisa is Monas daughter granddaughter grandson
7. 7. Homer and Marge are Lisas father parents grandparents
8. 8. Homer is Marges father husband grandad
9. 9. Marge is Homers sister wife mother
10. 10. Homer is Lisas uncle father grandad
11. 11. Marge is Lisas aunt mother grandmother
12. 12. They are Homer and Marges granddaughter children grandson
13. 13. Bart is Homer and Marges nephew son grandson
14. 14. Lisa and Maggie are Homer and Marges sisters daughters nieces
15. 15. Lisa and Maggie are Barts nieces sisters cousins
16. 16. Bart is Lisa and Maggies cousin brother nephew
17. 17. Herb is Lisas father uncle grandad
18. 18. Lisa is Herbs nephew niece daughter
19. 19. Burt is Herbs cousin nephew niece
20. 20. Selma is Lisas cousin aunt uncle
21. 21. Ling is Lisas niece cousin sister