Brontë sister who wrote "Agnes Grey" (4)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
anne
(Other definitions for anne that I've seen before include "18th century Queen" , "- - Hathaway, wife of Shakespeare" , "- - of Cleves" , "English queen" , "Queen seventeen hundred and two to seventeen fourteen" .)