- Born: Abt 1166, Buckinghamshire, England
- Marriage: Guillaume I Baron de Fiennes in 1190 141,160
- Died: Abt 1241 about age 75
Another name for Agnes was Alice.
Noted events in her life were:
• Background Information. 160
Guillaume (William) de Fiennes, was living 1220-33, and married Agnes de Dammartin, daughter of Albri de Luzarches, Chamberlain of France and his wife Mathilda de Clermont, Ponthieu et Dammartin. Guillaume and Agnes were the parents of Engerrand II de Finnes, who married Isabella, daughter of Nicholas I, Seigneur de Conde; and Mathida de Fiennes, who married Baudoin II, comté de Guines.
~Weis' Ancestral Roots of Certain American Colonists Who Came to America before 1700, 8th Edition, 152:27, 158B:27, 158C:27, 272:27
• Background Information. 141
Humphrey married, 1275, Maud de Fiennes, the daughter of Enguerrand de Fiennes, Seigneur de Fiennes, in Guisnes by Isobel, sister of Jacques, Seigneur de Conde, Bailleul et Moriammez in Hainault, daughter of Nicholas I, Seigneur de Conde, by Isobel, Dame of Morialme, and grandaughter of Guillaume de Fiennes, by Agnes de Dammartin, daughter of Alberic (II), comté de Dammartin. She predeceased him, and was buried at Walden in Essex. He died at Pleshey, 31 Dec 1298, and was also buried at Walden.
~Cokayne's Complete Peerage, 2nd Edition, (Hereford), Vol. VI, pp. 465-466
Agnes married Guillaume I Baron de Fiennes, son of Enguerrand de Fiennes and Sibyl de Tingry, in 1190 141.,160 (Guillaume I Baron de Fiennes was born about 1160 in Buckinghamshire, England and died in 1241 in Holy Land, Palestine.)