Agnes De Dammartin, daughter of Alberic II De Dammartin and Mahaut De Clermont. Adoption parents: Alberic II De Dammartin and Mathilda De Ponthieu
Born 1177 at Dammartin, S E Mr, France, died at ,, Buckinghamshire, England
Married 1198 at Martock, Somerset, England (42 or 43 years married) to:
William De Fiennes, son of Ingelram De Fiennes and Sibyl De Boulogne.
Born 1185 at ,, Buckinghamshire, England, died 1241 at Holy Land, Ontario, Canada, 55 or 56 years
1. Ingelram De Fiennes
Born 1210 at Tolleshunt, Essex, England, died 1266 at Conde, Calivados, France, 55 or 56 years