Abraham is Bart's...
Grandfather.
Lisa is Bart's ......
Sister.
Ling is Bart's...
Cousin
Marge is Bart's.........
Mother
Homer is Bart's.....
Father.
Maggie is Bart's....
Sister.
Herb is Bart's...
Uncle
Jackie is Bart's....
Grandmother
Selma is Bart's ....
Aunt.
Bart is Lisa and Maggie's...
Brother