William IV, Count of Nevers
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William IV, (c. 1130 – Acre, 24 October 1168) was count of Nevers, Auxerre, and Tonnerre from 1161 until his death.
William IV, (c. 1130 – Acre, 24 October 1168) was count of Nevers, Auxerre, and Tonnerre from 1161 until his death.