The Normans (Norman: Normaunds; French: Normands; Latin: Nortmanni/Normanni) were a population arising in the medieval Duchy of Normandy from the intermingling between Norse Viking settlers and indigenous West Franks and Gallo-Romans. The term is also used to denote emigrants from the duchy who conquered other territories such as England and Sicily. The Norse settlements in West Francia followed a series of raids on the French northern coast mainly from Denmark, although some also sailed from Norway and Sweden. Said settlements were finally legitimized when Rollo, a Scandinavian viking leader, agreed to swear fealty to King Charles III of West Francia following the siege of Chartres in 911 AD. The intermingling in Normandy produced an ethnic and cultural “Norman” identity in the first half