She was pointed out as a political participator on the side of Lübeck in the propaganda of the war.
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During Meyer's siege of Varberg Fortress in 1535, she sent him a letter, which was taken by the King of Denmark and used as propaganda material.
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She was pointed out as the main force behind the decision of the Lübeck mayor, Jürgen Wullenwever, to declare war on Holstein.
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Agneta Willeken (1497-1562) was the lover of the German mercenary Marcus Meyer, one of the most notable participators of the Count's Feud.