Mathieu de Beaumont-sur-Oise

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• Deceased on January 1, 1155

Parents

• Yves V de Beaumont-sur-Oise, Le Clerc (c. 1040 - c. 1084), comte de Beaumont-sur-Oise, chambrier de France
• Adélaïde de Gournay, Adélaïde de Gournay-en-Bray (c. 1055 - 1099)

Family

• Married with Béatrix de Clermont, issuing
  • Mathieu
  • Hugues

Occupations

• grand chambrier de France