Complex sentence: Different from other character of the Empire Tanya has a typical russian name, instead of a german one, that is because Tanya is a refugee from the Rus Revolution and her family was originally a member of the Rus aristocratic.
Split into simpler sentences: Different from other character of the Empire, Tanya has a typical russian name, instead of a german one. In fact, Tanya is actually a refugee from the Rus Revolution and her family was originally a member of the Rus aristocratic.