Original sentence: The descendants of these peoples became, and in many areas contributed to, the ethnic groups of North Western Europe: the Danish, Norwegians, Swedish, Finland-Swedes, Faroese, English, Icelanders, the Germans, the Austrians, Dutch and Flemish on the continent, and the inhabitants of Switzerland and Friesland
Edited sentence: The descendants of these peoples became, and in many areas contributed to, the ethnic groups of North Western Europe: the Danish, Norwegians, Swedish, Finland-Swedes, Faroese, English, Icelanders, the Germans, the Austrians, Dutch and Flemish, and the inhabitants of Switzerland and Friesland on the continent; and the inhabitants of Normandy-France, Frisialand, South-west Scotland, East England and South-East England in Great Britain