Isabelle was the daughter of Gerard I van Horne and Johanna van Leuven-Gaasbeek. The date and place of her birth have not been found.
Her husband was Johan van Borchgrave, who she married on 20 MAR 1312. The place has not been found. They had no known children.
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Gerard I van Horne |
Willem III van Horne |
Willem II van Horne |
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Heilwig von Altena |
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Margaretha van Loon-Chiney |
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Johanna van Leuven-Gaasbeek |
Hendrik van Leuven |
Godefroy de Brabant |
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Marie van Oudenaarde |
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Isabel von Bevern |
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