1.   Brewer has a younger sister who pitches in, too.

2.   Despite our differences, though, they treated me like a younger sister.

3.   Mary showed a lot of aggressive behaviour towards her younger sister.

4.   Mum was out so I stayed at home to keep my younger sister company.

5.   Pam has come down for a day of shopping, bringing along our adopted younger sister Kath.

6.   She was the glamorous, daring one-Muriel was the younger, timid, plump, solemn younger sister.

7.   The survivors were Nietzsche himself and a younger sister.

8.   Two younger sisters have also joined the force.

9.   Ryan was always foisting his chores off on his younger sister.