Merchandising
According to the NECA packaging for the Female Cenobite action figure, she was once a decadent nun named Sister Nikoletta, and while this does not specifically occur in the Hellraiser films, Barbie Wilde did write an origin story for the character in the Hellbound Hearts short story collection. The NECA history was the idea of Gary J. Tunnicliffe, responsible for make-up effects in the later films, and not the creators of the character.
Read more about this topic: Female Cenobite