Nielsen Hayden genealogy
Descendants of James de St. Hilary du Harcourt
- Abt 1154Father: Harscod ( - Between 1115 and 1130)
James de St. Hilary du Harcourt (of Field Dalling, Norfolk, England - Abt 1154)
   └─ Maud de St. Hilary (of Field Dalling, Norfolk, England -
    24 Dec 1193 bur.Priory of Great Carbrooke, Norfolk, England)
    24 Dec 1193 bur.Priory of Great Carbrooke, Norfolk, England)
    Roger de Clare (1116 Tunbridge Castle, Kent, England - 1173 bur.Stoke by Clare Priory, Suffolk, England)
    :   ├─ Richard de Clare (Abt 1153 of Clare, Suffolk, England - Between 30 Oct 1217 and 28 Nov 1217)
    :   │ Amice of Gloucester ( - 1 Jan 1225)(m. Abt 1180)
    :   │    │ + Roger de Lacy (Abt 1165 of Halton, Runcorn, Cheshire, England -
    :   │    │ : 1 Oct 1211 bur.Stanlaw Abbey, Wirrall, Cheshire, England)
    :   │    │ : 1 Oct 1211 bur.Stanlaw Abbey, Wirrall, Cheshire, England)
    :   │    │ + William de Briouze ( - 1210 Windsor, Berkshire, England)(m. Bef 1198)
    :   │    │ + Geoffrey de Say (Abt 1180 of Edmonton, Middlesex, England - 19 Aug 1230 Poitou, Aquitaine, France)
    :   │    │ (m. Bef 1215)
    :   │    │ (m. Bef 1215)
    :   │    └─ Gilbert de Clare (Abt 1180 - 25 Oct 1230 Penrose, Brittany, France) =>
    :   │     + Isabel Marshal (9 Oct 1200 Pembroke, Pembrokeshire, Wales -
    :   │     17 Jan 1240 Berkhamsted, Hertfordshire, England)(m. 9 Oct 1217)
    :   │     17 Jan 1240 Berkhamsted, Hertfordshire, England)(m. 9 Oct 1217)
    :   └─ Aveline de Clare (Abt 1172 - Bef 4 Jun 1225)
    :    William de Munchensy (of Winfarthing, Norfolk, England -
    :    : Bef 7 May 1204 Swanscombe, Dartford, Kent, England)(m. Bef 1186)
    :    : Bef 7 May 1204 Swanscombe, Dartford, Kent, England)(m. Bef 1186)
    :    :   └─ Warin de Munchensy (of Winfarthing, Norfolk, England - Abt 20 Jul 1255) =>
    :    :    + Denise de Anesty ( - 1304)
    :    :    + Joan Marshal ( - Bef Nov 1234)(m. Aft 14 May 1219)
    :    Geoffrey fitz Peter (of Pleshy, Essex, England - 14 Oct 1213 bur.Shouldham Priory, Norfolk, England)
    :    (m. Bef 29 May 1205)
    :    (m. Bef 29 May 1205)
    :       │ + Reynold II de Mohun (Abt 1206 of Dunster, Williton, Somerset, England -
    :       │ 20 Jan 1258 Torre Mohun, Devon, England)(m. Aft 8 Nov 1227)
    :       │ 20 Jan 1258 Torre Mohun, Devon, England)(m. Aft 8 Nov 1227)
    :       │ + Savary de Bohun (of Midhurst, Sussex, England - Aft 1247)
    :       └─ John fitz Geoffrey (Abt 1205 of Shere, Surrey, England - 23 Nov 1258) =>
    :        + Isabel le Bigod (m. Bef 12 Apr 1234)
    William d'Aubigny ( - 24 Dec 1193 bur.Wymondham Priory, Norfolk, England)
       └─ William d'Aubigny ( - 1 Feb 1221 Cainell, near Rome)
        Mabel of Chester ( - Bef 1232)
           │ + John Fitz Alan (of Clun, Shropshire, England - Bef 15 Mar 1240)(m. Bef 1223)
           ├─ Nichole d'Aubigny (of Barrow-on-Soar, Leicestershire, England - Abt 1240) =>
           │ + Roger de Somery (Bef 1209 of Dudley, Staffordshire, England - 26 Aug 1273)(m. Bef 22 Nov 1232)
           │ + Robert de Tateshale (of Tattershall, Lincolnshire, England - 16 Jul 1249)(m. Bef 1222)
            + Roger de Mohaut (of Mold, Cheshire, England - 18 Jun 1260)