One of three green hoods you need to give the stone of recall to for the quest The Rescue of the Green Hoods. How to reach her is a puzzle. From the courtyard, find a tower with a ladder, preferably the west tower which is near the rampart to the top of the citadel. go to the NE corner of citadel to enter it, go down spiral staircase (guards at bottom), go down main hallway or through barracks, at T intersec, left, go to corner, open door, enter tiny room, click on floor, it's an elevator that will take you to the Alchemist lab. That's where she is. The other two women are in the jail area downstairs from the elevator you use.