Milanya, no, I am not referring to Johnny Deep's character.
Thans Antonio and RedFox for your answers.
We can take for instance the name Дятлов - Most online translators will give you Woodpecker. But westernizing the word, it is Dyatlov.
I think i'd made a little mistake, the name in question is not Воробей, but Воробьев wich can be translated as Vorobyev, isn't it?