Without a will, it is necessary to divide the inheritance equally among the first-order heirs, the deceased's spouse, the deceased's children and the deceased's parents according to the inheritance law.
First of all, the old man's house, the old man's intestate, means that the three sons of the old man inherit it equally and the two sons die (the parents of the old man are estimated to be dead). Then according to the inheritance law, the descendants of two sons can exercise their inheritance rights as subrogation inheritance people!
In other words, Xiaohua's two children can exercise Xiaohua's right of inheritance as Xiaohua's subrogation inheritance people, and inherit your grandparents' share of real estate, accounting for one third of the rights and interests.
Xiaohua's house, if there is no change of registrant, still belongs to Xiaohua, and Xiaohua's children have the right of inheritance. After inheriting Xiaohua's house, they need to fulfill their debts to Daming and return the money to Daming.
The big house is also inherited equally by the heirs in the first order. If there is no first order, the brothers and sisters will inherit it equally according to the second order. Therefore, the descendants of Xiaohua are also heirs, with inheritance rights and inheritance shares. Just like you.