The information for the inheritance of the apartment

I would like to ask you for information concerning the rights of the heirs of an apartment Since the alternative would be to become homeless, there are rights that allow this Thanks in advancea solution among the many would be that your mother affittasse the apartment paying your uncle practically half the fee adjust what you can't do, your mother is appropriate occupandolo, of the entire apartment by leaving out your uncle (or allows it to equal or pay half the rental).