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Rollo: The Viking Who Became a Duke

History & Finds Rollo: The Viking Who Became a Duke placeholder

Rollo (Old Norse probably Hrólfr, Latin Rollo) was a Viking leader who around 900 sailed up the Seine into the Frankish realm with his fleet. Rather than fight him endlessly, in 911 King Charles the Simple struck a deal in the Treaty of Saint-Clair-sur-Epte: Rollo received land around Rouen – and in return became a vassal and a Christian.

The birth of Normandy

From this stretch of land grew Normandy – "the land of the Northmen". Rollo and his descendants settled, administered and merged with the Frankish world: they took on the French language, Christianity and the Frankish form of lordship, but kept their drive. Within a few generations Vikings became Norman dukes.

All the way to England and Sicily

Rollo's fifth-generation descendant was William the Conqueror, who conquered England in 1066. Other Normans went to southern Italy and Sicily. So a Viking chieftain on the Seine became the ancestor of one of the most influential dynasties of the European Middle Ages.

"Wits must he have who wanders wide, but all is easy at home."Hávamál 5, after Henry A. Bellows 1923 (public domain)
What is documented: The Treaty of Saint-Clair-sur-Epte (911) and the grant of land around Rouen to a Northman leader (Frankish sources). The emergence of Normandy. The descent of William the Conqueror from this dynasty.
What is myth/show: The TV series "Vikings" makes Rollo the brother of Ragnar Lothbrok – that is pure invention. The real Rollo lived about a century after the legendary Ragnar. Even whether Rollo was Danish or Norwegian was already disputed by the medieval sources. The early history of his life is brilliantly embellished by later Norman chroniclers (Dudo of Saint-Quentin).

Rollo is the proof that the Viking Age wrote history not only with the sword: a Northman became a duke – and his heirs became kings.

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