Stepsisters

Cinderella had two wicked stepsisters.

Cinderella had two evil stepsisters.

Sami and Jamal were married to stepsisters.

John doesn't like Cinderella and her stepsisters.

Adriano left Rima with her stepsisters.

Cinderella was unhappy because she had a cruel stepmother and cruel stepsisters.

Cinderella's stepsisters were just as haughty as was her stepmother.

I've never met my stepsisters.

How many stepsisters did Cinderella have?