Isabeau was born about 1292, the daughter of unknown parents. The place is not known.
She died on 19 MAY 1360. The place is not known.
Her husband was Guillaume I de Coucy, who she married in ABT MAY 1311. The place has not been found. Their three known children were Raoul (c1317->1389), Enguerrand VI (c1313-1344) and Aubert (1321-1388).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 1292 |
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| Death | 19 MAY 1360 |
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Note 1
Note 2
Note 3
not Richards ancestor