She came to be in possession of the Blinder's Knife through unknown circumstances. She claims in a note to her son to have been raped by Gavin Guile, which appears likely. In the same note she orders her son to avenge her rape and kill his father.
She is injured by King ?'s men during the destruction of Rekton and dies in her son's arms just as he finds her.
According to Kip Guile's memories of her she was an abusive mother, notably locking her young son in a dark cupboard for days in the company of rats, amongst other mistreatments.