Ermengarde (c. 1032 – 1083), daughter of Renauld, Count of Tonnerre and Herviz,[1] married William I, Count of Nevers[1] in 1045.
She had six children: Her husband William I was the son of Renauld I, Count of Nevers and Hedwig/Advisa of Auxerre,[2] daughter of Robert II of France.
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