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Who were Otto I’s parents?

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Stone sculptures of Otto I and his wife Edith, both crowned and seated, displayed side by side in the cathedral at Magdeburg, Germany. — Otto I Otto I and his wife Edith, sculptures in the cathedral at Magdeburg, Germany.

Otto I, the Holy Roman emperor, was the son of the German king Henry I and his second wife, Matilda, who was the daughter of Dietrich, count of Westphalia.12