Hainaut/Seigneurs d'Avesnes, de Leuze et de Conde (d'Oisy), entry in the databas...

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Hainaut/Seigneurs d'Avesnes, de Leuze et de Conde (d'Oisy), entry in the database Medieval Lands: A prosopography of medieval European noble and royal families by Charles Cawley © Foundation for Medieval Genealogy, 2000-2017.(Accessed October 25, 2025)

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