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In page Charles the Simple:

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By this time, Charles's excessive favouritism towards a certain Hagano, a petty nobleman (mediocris) and a relative of Charles's first wife Frederuna, had turned the aristocracy against him. He endowed Hagano with monasteries that were already the benefices of other barons, alienating them. In Lotharingia, he earned the enmity of the new duke Gilbert, who in 919 declared loyalty to the new king of East Francia Henry the Fowler.[3] Opposition to Charles in Lotharingia was not universal, however; he retained the support of Wigeric.[citation needed]