Béatrix de Saint-Omer

• 
• Born in 1180 in Saint-Omer
• Deceased on May 17, 1254, at the approximate age of 73 years

Parents

• Guillaume de Saint-Omer (1151 - 1192), chevalier, seigneur de Saint-Omer
• Ide d'Avesnes (1152 - 1211), dame d'Avesnes

Family

• Married in 1197 in Saint-Omer, with Philippe d'Aire (1170 - 1230), chevalier, seigneur d'Aire, issuing
  • Ermentrude
  • Béatrix
  • Bauduin (1198 - 1251)
  • Mathilde