Bart is Clancy and Jacqueline's...
Grandson
Bart, Lisa and Maggie are...
Siblings
Marge is Homer's...
Wife
Bart, Lisa and Maggie are Clancy and Jacqueline's...
Grandchildren
Abe is Bart's...
Grandfather/Grandpa
Abe and Mona are Lisa's...
Grandparents
Bart is Homer's...
Son
Lisa is Abraham and Mona's...
Granddaughter
Lisa is Maggie's...
Sister
Bart, Lisa and Maggie are Herb's...
Niblings
Bart is Herb's...
Nephew
Homer is Marge's...
Husband
Bart, Lisa and Maggie are Homer and Marge's...
Children/Kids
Bart is Maggie and Lisa's...
Brother
Mona is Bart and Lisa's...
Grandmother/Grandma
Maggie is Homer's...
Daughter
Selma is Lisa's...
Aunt
Homer and Marge are Bart's...
Parents
Herb is Bart's...
Uncle
Ling is Patty's...
Niece
Bart, Lisa and Maggie are Ling's
Cousins