 The following year, he took up a post at the Mariinsky Hospital for the poor.In 1828, when his two sons, Mikhail and Fyodor, were eight and seven respectively, he was promoted to collegiate assessor, a position which raised his legal status to that of the nobility and enabled him to acquire a small estate in Darovoye, a town about 150 km (100 miles) from Moscow, where the family usually spent the summers.Dostoevsky's parents subsequently had six more children