R1 | Rollo | 846 – 930 AD | It is believed that Rollo was born in the latter half of the 9th century somewhere in Scandinavia. Details of his origins and parentage are obscure. | A Viking who became the first ruler of Normandy, a region of France. He is sometimes called the 1st Duke of Normandy. | Rollo's grave at the Cathedral of Rouen.