Mechthild was the daughter of Johann III von Holstein-Plön and Katharina von Schlesien-Glogau. The date and place of her birth have not been found.
Her husband was Nikolaus III von Werle-Güstrow, who she married in AFT 1341. The place has not been found. Their two known children were Johann V (1340-<1378) and Katharina (?->1402).
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Johann III von Holstein-Plön |
Gerhard II von Holstein-Plön |
Gerhard I von Holstein-Itzehoe |
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Elisabeth von Mecklenburg |
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Agnes von Brandenburg |
Johann I von Brandenburg |
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Brigitte Jutta von Sachsen |
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Katharina von Schlesien-Glogau |
Henryk III von Schlesien-Glogau |
Konrad I von Schlesien-Glogau |
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Salomea Odonicówna Piast |
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Mathilde von Braunschweig-Lüneburg |
Albrecht I von Braunschweig-Lüneburg |
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Alessine di Montferrato |
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