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William I, Duke of Aquitaine

William I, Duke of Aquitaine

Count of Auvergne
William I, called the Pious, was the Count of Auvergne from 886 and Duke of Aquitaine from 893, succeeding the Poitevin ruler Ebalus Manser. He made numerous monastic foundations, most important among them the foundation of Cluny Abbey on 11... Wikipedia