The large boyar and princely families were in the 14th and 15th centuries supporters and opponents of the Moscow dynasty. The power of the great prince of Moscow protected them from devastating local wars and raids by nomads, but at the same time they sought to participate in this power. In this ambiguous relationship of boyars to the monarch clearly prevailed after the death of Vasily III. (1533) Respect for the Authority of the Throne. They stood up for his then three-year-old son Ivan, and even after the death of his mother Jelena Glinská (she was poisoned in 1538 ), they did not leave him. They ruled on his behalf, they enriched themselves, but they did not allow the right of a minor monarch to be questioned. Both uncles of little Ivan - Yuri and Andrei, brothers Vasily III. - They ended up in a famine. This boy's allegiance to little Ivan was primarily the work of their egoism, which commanded the support of a ruler who could not rule himself. This opened the way for powerful families to unrestricted oligarchic government.