Rollo of Normandy

Rollo was a Viking leader active in the lower Seine valley of West Francia in the late ninth and early tenth centuries, whose raids and subsequent land grant became the founding event of the Duchy of Normandy. His origin is genuinely disputed in the sources: the chronicler Dudo of Saint-Quentin, writing roughly a century later for Rollo’s own descendants, calls him Danish, while a separate and later Norse tradition, recorded in Snorri Sturluson’s Heimskringla, identifies him as the Norwegian “Ganger-Hrolf,” son of Rognvald of Møre; no contemporary record settles which account is correct, and modern historians remain divided along roughly the same lines as the medieval sources they rely on. Rollo and his followers are associated with Viking activity around Rouen from the 880s and with the siege of Paris in 885–886, though individual raids are attributed to him mainly through Dudo rather than independent contemporary witnesses. In 911, after a defeat near Chartres, Rollo came to an agreement with the West Frankish king Charles the Simple, recorded as the Treaty of Saint-Clair-sur-Epte: Charles granted Rollo control of the territory around the lower Seine that became Normandy, and Rollo in turn swore fealty, accepted Christian baptism under the name Robert, and agreed to defend the river mouth against other Viking raiders. The event itself is corroborated by an 918 royal charter referring to lands already granted to Rollo and his followers, but the vivid details often repeated about the treaty, including the claim that Rollo refused to kneel and had a subordinate kiss the king’s foot in his place, come solely from Dudo’s later account and are not confirmed by any other primary source. Rollo ruled the new territory for roughly two decades, retiring around 927 in favor of his son William Longsword; he is recorded alive as late as 928 and most sources place his death around 930, though the exact year is not firmly established. Through William Longsword and later descendants, Rollo is the direct ancestor of Duke William of Normandy, who became King of England in 1066, making Rollo an ancestor of the English and later British royal line.