If everything was left to his wife, then your father could not control what happened to the assets after that: once they were left to his wife, they became hers, and she could spend, liquidate, gift, etc. them, and when she passed away, they would do to whomever she willed them to or who otherwise would inherit from her. A person cannot control happens to what he leaves or gives others after they get them. Now, there are certain ways he could have structured things so his wife did NOT in fact inherit everything on his death: putting the assets into a trust that would pay her certain amounts while preserving the rest for her daughter and you; giving her a life estate in real estate to live in a house  for the rest of her life, while giving the "remainder" interest in the property to her daughter and you. But if he did not set up things the right way, if he simply left his estate to his wife, it became his wife's to do with whatever she wanted, and also give to,and leave to (e.g. in her will) whomever she wanted. You need to have an attorney evaluate your father's will to see if you do in fact have a right to anything--you may not.