See also
1. Agnes de DAMPMARTIN (also known as Agnes de DAMMARTIN), daughter of Count Aubrey II (Alberic) of Dammartin (c. 1147-1200) and Maud (Mahaut) de Ponthieu (c. 1150-aft1200), married William de FIENES.
William de FIENES, son of Ingelram de FIENES (c. 1128-1190) and Sibille de Bolougne TINGRY (c. 1132- ), was born in 1160. He had the title '1st Baron Fiennes'. He died in 1241 in Wendover, Bucks.. He and Agnes de DAMPMARTIN had the following children:
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2. Sir Ingelram de FIENES, son of William de FIENES and Agnes de DAMPMARTIN, was born circa 1192. He died circa 1269 in Wendover, Bucks.. He married Maud HAMPDEN.
"Knight of the Bath, first son, sum. amongst the Nobles in Rot. exercitus Wallix? 1260. Constable of Dover Castle etc. 1265. Also: Seigneur de Fiennes, Baron de Tingry & de Ruminghen, Lord of Wendover.
Maud HAMPDEN and Ingelram de FIENES had the following children:
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3. Maud de FIENES, daughter of William de FIENES and Agnes de DAMPMARTIN, married Baudouin III, Comte de Guines.
Baudouin III, Comte de Guines and Maud de FIENES had the following children:
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4. Agnes de FIENES was the daughter of William de FIENES and Agnes de DAMPMARTIN.
5. Sir Giles de FIENES Kt., son of Sir Ingelram de FIENES and Maud HAMPDEN, married Sibyl FILIOL circa 1252 in Wartling, Sussex.
He was the second son. According to other sources, he was the sixth child, after Reginald, William, Robert, Enguerrand and Maud.
Sibyl FILIOL was the daughter of William FILIOL of Old Court, Sussex? ( - ). She and Giles de FIENES had the following children:
| 7 | John FIENES (c. 1280-1331). John was born circa 1280 in Wendover, Bucks. He married Joane JORDAIN in Windsor. He died in 1331. |
6. Arnoul III, Comte de Guines was the son of Baudouin III, Comte de Guines and Maud de FIENES.