Because to c visions in that era meant আপনি were either posessed, a witch অথবা crazy.so her so called family "died" her ass, the দিন she was committed to the insano assylum.
She had premenitions. Her family made everyone she knew believe she had died and left her there. She was turned into a vampire there দ্বারা someone else in the mad house to protect her from a vampire hunting her.