Laertes' sister in "Hamlet" (7)
I believe the answer is:
ophelia
'laertes' sister in hamlet' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for ophelia that I've seen before include "She loved Hamlet" , "Lover of Hamlet" , "Daughter of Polonius (Hamlet)" , "Millais's painting" , "Female" .)