Was Charles the Bald a full-sibling or a half-sibling of Lothair I?
Full-sibling
Cousin
Uncle
Half-sibling
Answer
Charles the Bald and Lothair I were half-siblings. They shared the same father, Louis the Pious, but different mothers. Charles the Bald's mother was Ermengarde of Hesbaye, and Lothair I's mother was Irmingard of Tours.
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