Agnès de Dammartin

(died 1227) (d. 1227)

Parents

• Alberic III of Dammartin
• Mahaut de Clermont

Children

• unknown daughter de Fiennes
• Mahaut de Fiennes, Dame de Heuchin

Siblings

• Simon, Count of Ponthieu
• Renaud I, Count of Dammartin
• Julia de Dammartin
• Aelis de Dammartin

Partners

• Guillaume I de Fiennes, Seigneur de Fiennes