Geoffroy was the son of Yves I de Beaumont-sur-Oise and Gisèle de Chevreuse. The date and place of his birth have not been found.
He died in BET 1067 AND 1082. The place is not known.
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Geoffroy de Beaumont-sur-Oise |
Yves I de Beaumont-sur-Oise |
Yves de Beaumont-sur-Oise |
Yves de Beaumont-sur-Oise |
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Geila de Vermandois |
Adalbert I de Vermandois |
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Gerberge de Lorraine |
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Gisèle de Chevreuse |
Guy I de Montlhéry |
Milon I de Bray |
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Hodierne de Gometz-la-Ferté |
Guillaume de Gometz |
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Alberède d'Albon |
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | BET 1067 AND 1082 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | comte de Beaumont-sur-Oise |