Mathieu de Beaumont-sur-Oise

• 
• Deceased on January 1, 1155

Parents

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

Family

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

Occupations

• grand chambrier de France