| Character(s) | Sibling's First Name | Work of Fiction |
| Meg, Beth, and Amy March | |
| Michael Banks | |
| Monica Geller | |
| Sondra, Denise, Theo, and Vanessa Huxtable | |
| Ramona and Roberta Quimby | |
| Frasier Crane | |
| Lindsay Weir | |
| Jean Louise 'Scout' Finch | |
| Clarissa Darling | |
| Phil DeVille | |
| Pete Wrigley | |
| Goneril and Regan | |
| Yakko and Wakko Warner | |
| Raymond Babbitt | |
| Peter, Susan, and Lucy Pevensie | |
| | Character(s) | Sibling's First Name | Work of Fiction |
| Biff Loman | |
| Rachel, Leah, and Ruth May Price | |
| Greg, Marcia, Jan, Peter, and Cindy Brady | |
| Brenda Chenowith | |
| Betty Suarez | |
| Theodore 'Beaver' Cleaver | |
| Ray Barone | |
| Dash and Jack Jack Parr | |
| Patty and Selma Bouvier | |
| Peter Hatcher | |
| Gilbert, Amy, and Ellen Grape | |
| Wendy and John Darling | |
| Jake Blues | |
| Tom Wingfield | |
| Scooter | |
|