| Thalia's sister |
| Clio's sister. |
| Clio's sister muse |
| One of the King Sisters of 40's music |
| Sincerely" sisters |
| Euterpe's sister |
| Charlemagne's realm, for short |
| Polyhymnia's sister. |
| Andrews Sisters hit |
| Aretha Franklin's Grammy-nominated sister |
| Government resister standing ready |
| Medusa's sisters? |
| Charlemagne's sister |
| Belonging to one of Meg's sisters |
| A March sister |
| A sister of Ares |
| Advice columnist like her sister Abigail |
| One of Robb's sisters on "Game of Thrones |
| A sister of Clio |
| Rachel’s sister. |
| Agnes and Margo's sister in "Despicable Me |
| Sister of Euterpe |
| Charlemagne's domain, briefly |
| Abby's twin sister |
| A sister of John Boy |
| Actress Gabor whose sisters were Zsa Zsa and Magda |
| Brashares who wrote "The Sisterhood of the Traveling Pants |
| Nora Ephron's sister |
| Saintly sister |
| Ally org. of Second Amendment Sisters |