- Sturdy woman, short of beautiful but beyond handsome
- Sharp blue eyes
- Looks no older than Min after being Stilled
- Former Amyrlin Seat
- Stilled and stripped of her stole
- Born to a Tairen fishing family
- Goes by name Mara after fleeing Tar Valon
At the beginning of The Fires of Heaven, Siuan Sanche has escaped from the White Tower after being deposed and stilled. The Tower is giving out that she has been executed, but are still trying to find her. Siuan herself is imprisoned in Kore Springs, Andor, along with Min and Leane, for burning down a farmer's barn along with Logain, who has escaped. Siuan swears an oath to the local lord, Gareth Bryne, to serve him, while still intending to escape. Logain helps her and the others escape.
At the beginning of Knife of Dreams, Siuan is with the rebel Aes Sedai army outside of Tar Valon. After being contacted by Egwene in Tel'aran'rhiod, she rushes to bring the news of Egwene's capture to other sisters, as well as the Amyrlin's orders to attempt no rescue.