Legal basis: Article 1074 of the Civil Code of People's Republic of China (PRC) stipulates that grandparents who have financial means have the obligation to support their minor grandchildren whose parents are dead or whose parents are unable to support them. Grandchildren and grandchildren with financial means have the obligation to support grandparents whose children have died or whose children are unable to support them.
Article 23 of the Law of the People's Republic of China on the Protection of the Rights and Interests of the Elderly stipulates that the elderly and their spouses have the obligation to support each other. When a sibling who is supported by a sibling becomes an adult, if she has the financial ability, she has the obligation to support an elderly sibling who has no supporter.