If your grandmother died leaving no will, then she cannot have given her home to your mother. That gift would either be by a deed while grandmother was alive, or by her will. With no will, her estate went to her heirs at law, which would include your mother, but would also include any siblings (I'm assuming grandma was not married). So it sounds like your mother never owned the house, so could not give it in her will, although she may have owned an interest in the house that could be given. You need to get a lawyer to review these transactions, and figure out whether your aunt had the right to sell the home.
Answered on Oct 21st, 2014 at 8:28 PM