Rasputin

He was born into a peasant family in the Siberian village of Pokrovskoye in Tyumen Oblast.

An excerpt from the article 26 facts about Rasputin
There is also uncertainty about his real name. Some studies state that his probable surname may have been Nowych, but also that this surname may have been adopted by him only with the approval of Nicholas II, as Rasputin was associated negatively.