Mathieu was born about 1080, the son of Ivo IV de Beaumont-sur-Oise and Adélaïde de Gournay. The place is not known.
He died about 1155. The place is not known.
His wife was Béatrix de Clermont-en-Beauvaisis, who he married in BEF 1101. The place has not been found. They had no known children.
|
Mathieu I |
Ivo IV de Beaumont-sur-Oise |
Yves de Beaumont-sur-Oise |
Yves II de Beaumont-sur-Oise |
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|
Judée Lupus de Bretagne |
Geoffroy I Bérenger de Bretagne |
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|
Havoise de Normandie |
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Adélaïde de Gournay |
Hugues II de Gournay |
Hugues I de Gournay |
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Berthilde de Gerberoy |
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Basilie de Dammartin |
Manassès I de Montdidier |
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Constance Capet |
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| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 1080 |
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| Death | ABT 1155 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | comte de Beaumont-sur-Oise |