Guillemette was born about 1286, the daughter of unknown parents. The place is not known.
She died in 1339. The place is not known.
Her husband was Robert II d’Ailly, who she married in 1302. The place has not been found. Their only known child was Robert III (c1308-c1384).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 1286 |
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| Death | 1339 |
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