Guillaume (III) comte de Mâcon et de Vienne by Cawley, Charles and the Foundatio...

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Guillaume (III) comte de Mâcon et de Vienne by Cawley, Charles and the Foundation for Medieval Genealogy (FMG) in Medieval Lands: A prosopography of medieval European noble and royal families. Published online by FMG, including source citations and relevant texts: Burgundy Duchy - Mâcon & Beaujeu v5.0 Updated 13 Sep 2025 (see also WikiTree's source page for MedLands).

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