Isaac was the son of Henri d'Antoing and Isabeau de Craon. The date and place of his birth have not been found.
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Henri d'Antoing |
Hugues V (IV) d'Antoing |
Hugues III d'Antoing |
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Sibylle de Wavrin |
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Elisabeth van Grimbergen |
Hendrik van Grimbergen |
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Isabeau de Craon |
Maurice de Craon |
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Mahaut de Mechelen |
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