Isabelle was the daughter of Robert I de Courtenay and Mahaut de Mehun-sur-Yèvres. The date and place of her birth have not been found.
She died on 22 SEP 1257. The place is not known.
Her husband was Jean I de Bourgogne-Comté, who she married in 1242. The place has not been found. Their seven known children were Marguerite II (?->1263), Étienne (?-1302), Pierre (?-<1274), Mahaut (?-?), Robert (?->1245), Guillemette (?->1261) and Jean I (c1243-<1307).
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Robert I de Courtenay |
Pierre I Capet |
Louis VI Capet |
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Adélaïde de Savoie |
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Élisabeth de Courtenay |
Renaud de Courtenay |
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Hélène du Donjon |
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Mahaut de Mehun-sur-Yèvres |
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| Event | Date | Details | Source | Multimedia | Notes |
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| Death | 22 SEP 1257 |
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