User blog comment:Jimeee/Dragonborn DLC trailer released./@comment-142.150.107.197-20121105160919/@comment-3186827-20121105163822

We don't know if Konahrik was actually a Dragon Priest or not. If he was, then he was likely of Atmoran decent and lived during the Merethic Era. This would predate him (or whoever is in the trailer) before the 1st known Dragonborn - Alessia.