Related Clues:
- Secret Intelligence Service (abbreviation)
- Eg sister's mistake, ditching husband on retirement
- Girl of the house
- Sis, e.g
- A tot may have a big one
- One of a quint's four
- Jacob, to Esau, for short
- Paris, to Nicky
- One with all the answers?
- Potential aunt, for short
- Honest, informally
- Bro's female counterpart
- Gal in the family
- Meg, to Jo
- Informal family member