| Answer | Crossword Clue |
|---|---|
| LISA | Sister of Maggie and Bart |
| LISA | Sister of Bart and Maggie |
| ABE | Grandfather of Bart, Lisa, and Maggie Simpson |
| LISA | Bart and Maggie's sister |
| BRO | Bart, to Maggie |
| BRO | Bart, to Maggie, slangily |
| SIS | Lisa or Maggie, to Bart |
| SIS | Maggie or Lisa, to Bart |
