Margie is Liza's
Mother
Homer is Bart's
Father
Homer is Liza's
Father
Margie is Meg's
Mother
Bart is Margie's
Son
Bart is Liza's
Brother
Liza is Homer's
Daughter
Margie is Bart's
Mother
Homer is Meg's
Father
Bart is Meg's
Brother
Bart, Liza and Meg are
Siblings
Bart is Homer's
Son