Just found this one in my Lappish Play through.
Hrólfr, or perhaps better known as Rollo, or by his Christian name Robert. In this game is a Courtier of the Jarl of Trøndelag. But in history he was a fierce viking who raided France along the Seine, and would attack Paris, Twice. He would invade Northern France, And eventually convert to Catholicism and swear fealty to the king of France, in exchange for a fiefdom. He is the found of both the house and duchy of Normandy.