Wilhelm was the son of Adolf von der Marck and Margarete van Gulik. The date and place of his birth have not been found.
He has died but the date and place are unknown.
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Adolf von der Marck |
Adolf II von der Marck |
Engelbert II von der Marck |
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Mechtilde von Arenberg |
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Margarete van Kleef |
Diederik VIII (VII, IX) van Kleef |
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Maria van Gulik |
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Margarete van Gulik |
Gerard VI van Gulik-Berg |
Willem van Gulik |
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|
Johanna van Holland |
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|
Margareta von Ravensberg |
Otto IV von Ravensberg |
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|
Margareta von Berg-Windeck |
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| Event | Date | Details | Source | Multimedia | Notes |
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| Death |
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