1, your grandfather's loan, according to the provisions of the marriage law, if it belongs to the same debt, your grandmother is obliged to repay it.

2. For your grandfather's loan, the bank has the right to apply to the court to preserve your grandfather's property, and the court has the right to account for his assets, which refer to your grandfather's real estate, deposits, cars, funds and so on.

3. If your grandfather dies, according to the provisions of Article 33 of the Inheritance Law, when you inherit the estate, you should pay off the taxes and debts that the decedent should pay according to law, and the payment of taxes and debts is limited to the actual value of his estate. The part exceeding the actual value of the estate shall be voluntarily repaid by the heir. If the heir renounces inheritance, he may not bear the taxes and debts that the decedent should pay according to law.