You don't say why you are holding the will and doing nothing. If you have the original will, you need to file it with the Court. If it names your brother as Executor, hire competent counsel to make sure this doesn't happen. If you are named next, you may accept your appointment and move to gather assets, pay debts and expenses and move on.
You need to get a probate attorney. It sounds like your brother committed fraud or influenced your father into sell him the house for $1, you have to deal with that through the probate court.
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Regardless of who is named executor, you can probably open probate yourself with the will. The court will make sure that the beneficiaries receive their share. What was the result of the court action with your brother? What does the will say about how the estate is to be distributed?
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If you have the will, hire a probate lawyer immediately. Many probate attorneys will accept payment from the estate.
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