My grandfather has a house. A set of real estate licenses is my grandfather's name. Now the old man has passed away. How should the old people divide it?

Your grandfather's house should be regarded as his personal property and inherited according to the inheritance law. Without a will, his three children can only get one each. Before that, your grandfather used the rent to pay off your uncle's debts, which should be regarded as a gift from your grandfather and was given to your uncle voluntarily.