Petrov after the death of his wife and daughter began

After the death of his wife and daughter, Petrov began to drink and drink his property and the things of his mother-in-law living with him. The latter appealed to the court in which she asked to recognize Petrov as having limited legal capacity, and to appoint her as guardian. A similar statement came from Petrov´s older brother, who lives in the same city.
Option: Petrov’s daughter is alive.