Lisa is Bart's...
Sister
Patty is Lisa's...
Aunt
Homer is Maggie's...
Father
Ling is Bart's...
Cousin
Bart is Selma's...
Nephew
Herb is Homer's...
Brother
Abraham is Lisa's...
Grandfather
Marge is Lisa's...
Mother
Herb is Bart's...
Uncle
Clancy is Marge's...
Father
Mona is Maggie's...
Grandmother
