According to the relevant provisions of Article 10 of the Inheritance Law of the People's Republic of China, the order of succession is as follows:
 1. First order: spouse, children, parents.
 2. The second order: brothers and sisters, grandparents, maternal grandparents.
 3. After the beginning of succession, the successor in the first order shall inherit, and the successor in the second order shall not inherit. If there is no successor in the first order, the successor in the second order shall inherit.
 4. Widowed daughter-in-law who has made major contributions to the father-in-law and the widowed son-in-law who have made major contributions to their parents in law shall be regarded as the first order heirs.
 5. Only when there are no heirs in the first order, or when all the heirs in the first order give up or lose their inheritance rights, can the heirs in the second order inherit.
 6. The heirs who have special difficulties in life and lack the ability to work shall be taken care of; Those who have performed major maintenance obligations before their life can be given more points. If a successor who is able to support him fails to fulfill his duty of support, he shall be given no share or a small share.