Board Thread:Lore Discussion/@comment-7629073-20130402085627/@comment-68.185.78.27-20140119234054

The Nerevarine is most likely dead in Ak'avir. The Hero Of Kvatch is Sheagorath, in a book in Skyrim it confirms that the events of Shivering Isles happened. So no it isn't possible they are the same person.