Or, to be more precise, what current historians believe happened based on the fragmentary evidence of the time. You might want to sit down for this one. There has to have been a better way to put. Sometimes the show takes glaring liberties with historical fact for the sake of narrative convenience. Vijings in the real world, it was a lot different. For starters, Alfred had four brothers. Even if he was, Rollo lived in a different era. On the other hand, they did write a play about him in the 17th century.