Irmgard was the daughter of Johann von Nesselrode zum Stein and Katharina von Gehmen. The date and place of her birth have not been found.
Her husband was Berthold III von Plettenberg. They were married, but the date and place have not been found. They had no known children.
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Johann von Nesselrode zum Stein |
Wilhelm von Nesselrode |
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Jutta von Grafschaft |
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Swanhold von Landsberg |
Johann von Landsberg |
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Katharina von Gehmen |
Johan II van Gemen |
Henrik III van Gemen |
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Elisabeth van Bronckhorst |
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Oda van Horne |
Willem VII van Horne |
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Johanna van Loon-Heinsberg |
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