Otto IV, Holy Roman Emperor
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Otto IV, Holy Roman Emperor, was a Welf dynasty ruler who reigned as King of the Romans and Holy Roman Emperor in the early 13th century and was a central figure in the empire’s power struggle with the Hohenstaufen dynasty and the papacy.
Referenced by (2)
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Welf
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notableMember |
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Frederick II, Holy Roman Emperor
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predecessorAsHolyRomanEmperor |