A good place to start is here:

http://thenarcissistinyourlife.com/narcissistic-siblings-cause-psychological-and-financial-family-ruptures/

and here:

http://thenarcissistinyourlife.com/narcissistic-siblings-steal-your-psychological-emotional-and-financial-inheritance/


It's embarrassing to admit, but it happened to me and my wife and sons, as well as my mother (may she finally rest in peace).

If you see any of the signs, don't let it happen to you or your elderly parent!