Augusta Hargreaves

Cain's aunt and real mother. After giving birth to Cain, she became insane and later jumped out of the window of her institution when Cain visited her for the second time, mistakening him for Alexis. As she lay dying, she apologized to Cain and warned him to watch out for his father. The name of Alexis's secret society Delilah refers to her. Later it is revealed that her spirit plotted and is responsible for Cain's suffering. Even in death she orchestrated the events from the beginning and used Alexis' love for her to to create strife between Cain and Alexis. (Wiki)