"Oberto I"
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Title "Oberto I" Publisher Wikipedia: The Free Encyclopedia. Wikimedia Foundation, Inc. https://en.wikipedia.org/wiki/Oberto_I, 23 Apr 2018 Source ID S4976 Linked to Adalberto I, Margrave
Alberto Azzo II d'Este, Margrave of Milan
Adalberto II di Milano, Margrave of Milan
Oberto I di Milano, Margrave of Milan
Oberto II di Milano, Margrave of Milan