Nielsen Hayden genealogy
Descendants of Guillaume de Fiennes
- Bef 1240Father: Enguerrand de Fiennes (of Fiennes, Pas de Calais, France - 1189 Acre, Palestine)
Mother: Sibyl of Boulogne ( - Abt 1208)
Guillaume de Fiennes ( - Bef Jul 1240)
Agnès de Dammartin ( - Aft 1244)(m. Bef 1 Jan 1204)
   └─ Enguerrand de Fiennes (Bef 1205 - 1269)
    (Unknown) de Condé
    :   ├─ Guillaume de Fiennes (of Wendover, Buckinghamshire, England - 11 Jul 1302 Kortrijk, Flanders)
    :   │ Blanche de Brienne (m. Between 18 Jan 1266 and Feb 1267)
    :   │    │ + Edmund de Mortimer (Between 1251 and 1254 of Wigmore, Herefordshire, England -
    :   │    │ 17 Jul 1304 Wigmore Castle, Herefordshire, England)(m. Bef 12 Dec 1285)
    :   │    │ 17 Jul 1304 Wigmore Castle, Herefordshire, England)(m. Bef 12 Dec 1285)
    :   │    │ + John Wake (Abt 1268 - Abt 10 Apr 1300)(m. Bef 24 Aug 1291)
    :   │     + Isabelle de Dampierre ( - 1323)(m. 1307)
    :   └─ Giles de Fiennes (of Old Court in Wartling, Sussex, England - Aft 1314)
    :    Sibyl Filliol ( - Aft 1320)(m. Bef 19 Feb 1270)
    :       └─ John de Fiennes (of White Waltham, Berkshire, England - Bef 1334) =>
    :        + Joan le Forester ( - 1338)(m. Bef 2 Jun 1294)
    Isabel ( - 9 Sep 1296)(m. Bef 1257)
       └─ Maud de Fiennes ( - Bef 31 Dec 1298 bur.Walden Abbey, Essex, England)
        Humphrey de Bohun (Abt Sep 1248 - 31 Dec 1298 Pleshey, Essex, England)(m. Bef 20 Jul 1275)
           └─ Humphrey de Bohun (Abt 1276 - 16 Mar 1322 Boroughbridge, Yorkshire, England) =>
            + Elizabeth of England (7 Aug 1282 Rhuddlan Castle, Flintshire, Wales - 5 May 1316 Quendon, Essex,
            England)(m. 14 Nov 1302 Westminster Abbey, Westminster, Middlesex, England)
            England)(m. 14 Nov 1302 Westminster Abbey, Westminster, Middlesex, England)