Simon was the son of Nicolas III de Lalaing and Isabeau de Montigny. The date and place of his birth have not been found.
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Nicolas III de Lalaing |
Simon III de Lalaing |
sir Nicolas II de Lalaing |
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Agnès de Willerval |
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Mahaut d'Aspremont |
Joffroi III d'Aspremont |
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Isabelle de Quiévrain |
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Isabeau de Montigny |
Eustache IV de Montigny |
Robert III de Montigny |
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Sara Esne |
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Maria van Haverskerke |
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