Millions of Britons could be descendants of Vikings - especially if their surname ends in 'son', according to experts. Despite it being more than years since the Viking Age, millions of people in the UK can trace their roots back to the Scandinavian invaders. And experts say surnames can give you an indication of a possible Viking heritage in your family, with anything ending in 'son' or 'sen' likely to be a sign. Pictured is Emma Watson left and Robert Pattinson right. People with names ending in 'son' could be related to the Scandinavian warriors.