Robert was born about 1243, the son of Guillaume II de Poissy and Isabelle de Lévis. The place is not known.
He died about 1265. The place is not known.
His wife was Isabelle de Montmorency, who he married in 1256. The place has not been found. Their only known child was Mahaut (c1261-1290).
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Robert IV de Poissy |
Guillaume II de Poissy |
Robert II de Poissy |
Robert I de Poissy |
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Luce le Chambellan |
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Isabeau de Neufbourg |
Robert de Neufbourg |
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Isabeau Crespin |
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Isabelle de Lévis |
Simon de Lévis |
Philippe I Levieux dit de Lévis |
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Isabelle de Palaiseau |
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Petronille de Poivilliers |
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| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 1243 |
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| Death | ABT 1265 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | seigneur de Malvoisine |