Nielsen Hayden genealogy
Descendants of Agnes of Essex
1152 - Aft 1205 (~ 55 years)Father: Henry of Essex (of Rayleigh, Essex, England - Aft 1163)
Mother: Cecily de Valognes ( - Bef 1186)
Agnes of Essex (Between 1151 and 1152 - Aft 1205 bur.Earl's Colne Priory, Halstead, Great Bromley, Essex, England)
Aubrey de Vere (Abt 1110 of Hedingham, Essex, England -
26 Dec 1194 bur.Earl's Colne Priory, Halstead, Great Bromley, Essex, England)(m. Between 1162 and 1163)
26 Dec 1194 bur.Earl's Colne Priory, Halstead, Great Bromley, Essex, England)(m. Between 1162 and 1163)
   ├─ Aubrey de Vere (Abt 1163 - 1214)
   │ + Isabel de Bolebec ( - Between 1206 and 1207)
   └─ Robert de Vere (Aft 1164 of Hedingham, Essex, England -
    Bef 25 Oct 1221 bur.Hatfield Regis Priory, Hatfield Broad Oak, Essex, England)
    Bef 25 Oct 1221 bur.Hatfield Regis Priory, Hatfield Broad Oak, Essex, England)
    Isabel de Bolebec (Abt 1164 - 2 Feb 1245 bur.Church of the Black Friars, Oxford, Oxfordshire, England)
       ├─ Eleanor de Vere
       │ Ralph Gernon (of East Thorpe, Essex, England - 1274)
       │    └─ William Gernon (Abt 1250 of East Thorpe, Essex, England - 1327) =>
       │     + Isabel (m. Bef 1274)
       └─ Hugh de Vere (Abt 1210 of Castle Hedingham, Essex, England -
        Bef 23 Dec 1263 bur.Earl's Colne Priory, Halstead, Great Bromley, Essex, England)
        Bef 23 Dec 1263 bur.Earl's Colne Priory, Halstead, Great Bromley, Essex, England)
        Hawise de Quincy ( - Aft 1263 bur.Earl's Colne Priory, Halstead, Great Bromley, Essex, England)
        (m. Aft 11 Feb 1223)
        (m. Aft 11 Feb 1223)
           ├─ Isabel de Vere ( - Bef 7 Jan 1291 bur.Cowick Priory, Exeter, Devon, England) =>
           │ + Oliver de Dinham (Abt 1234 of Hartland, Devon, England -
           │ : 26 Feb 1299 bur.Cowick Priory, Exeter, Devon, England)
           │ : 26 Feb 1299 bur.Cowick Priory, Exeter, Devon, England)
           │ + John de Courtenay (of Okehampton, Devon, England - 3 May 1274 bur.Ford Abbey, Dorset, England)
           │ (m. Aft 6 Oct 1240)
           │ (m. Aft 6 Oct 1240)
           │ + Reginald de Argentein ( - Bef 3 Mar 1308)
           └─ Robert de Vere (Abt 1240 -
            Bef 7 Sep 1296 bur.Earl's Colne Priory, Halstead, Great Bromley, Essex, England) =>
            Bef 7 Sep 1296 bur.Earl's Colne Priory, Halstead, Great Bromley, Essex, England) =>
            + Alice de Sanford ( - Bef 9 Sep 1312 Canfield, Essex, England)(m. Bef 22 Feb 1252)