"Sigifred of Lucca"
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Title "Sigifred of Lucca" Publisher Wikipedia: The Free Encyclopedia. Wikimedia Foundation, Inc. https://en.wikipedia.org/wiki/Sigifred_of_Lucca, 14 Sep 2017 Source ID S5003 Linked to Adalberto Atto di Canossa, 1st Count of Mantua
Gerardo di Canossa
Sigifredo di Canossa
Sigifredo di Lucca