Rasputin

Rasputin managed to stop the Tsar's bleeding several times, for which he was honored by the Tsarina with a special position at the Tsar's court.

An excerpt from the article 26 facts about Rasputin
He was allowed to be around the Tsar and his family without hindrance. After a few months, he gained considerable influence in Russian political affairs - among other things, he led to the resignation of a relative of the Tsar from a high-ranking military commander.