The property left by Xiaowen's father after his death, such as real estate and deposits, should be regarded as heritage, which should be divided by legal heirs including Xiaowen, and his grandmother has no right to possess it alone. If the claim is fruitless, Xiaowen can sue the court for dividing the deposit property and other inheritance.
The purpose of issuing a notarial certificate is to withdraw the password deposit of the bank.
-In this case, Xiaowen should sue the court and ask him to withdraw money from his grandmother to ensure the safety of the deposit. Otherwise, Xiaowen's rights will be guaranteed.
Xiaowen has the right to claim his father's inheritance. You didn't explain what his grandmother was going to do. Different notarization requires different conditions.
The purpose of issuing a notarial certificate is to withdraw the password deposit of the bank.