
Countess who ceded Holland to the Wittelsbachs.
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Margaret II inherited the counties of Hainaut, Holland, and Zeeland after the death of her brother William II at the Battle of Warns. She became the last Avesnes ruler of these territories.
Margaret II fought a war against her son William I of Bavaria (Wittelsbach) for control of Holland and Zeeland. The conflict ended with the Treaty of 1354, where she ceded these territories to William.
Margaret II of Avesnes, Countess of Hainaut, ceded the counties of Holland and Zeeland to her son William I of Bavaria (Wittelsbach) after a period of conflict. This transfer ended Avesnes rule in Holland and Zeeland.
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