"Charles the Younger or Charles of Ingelheim (c. 772 – 4 December 811) was a member of the Carolingian dynasty, the second son of Charlemagne and the first by his second wife, Hildegard of Swabia and brother of Louis the Pious and Pepin Carloman. When Charlemagne divided his empire among his sons, his son Charles was designated King of the Franks." - (en.wikipedia.org 30.06.2020)
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