Nielsen Hayden genealogy
Descendants of William fitz Robert
- 1183Father: Robert of Gloucester (Abt 1090 - 31 Oct 1147 Bristol, Gloucestershire, England)
Mother: Mabel fitz Robert ( - 29 Sep 1157)
William fitz Robert ( - 23 Nov 1183 bur.Kernsham Abbey, Somerset, England)
Hawise of Leicester ( - 24 Apr 1197)(m. Abt 1150)
   ├─ Isabel of Gloucester ( - 14 Oct 1217)
   │ + John, King of England (Abt 27 Dec 1166 Oxford, Oxfordshire, England - 19 Oct 1216 Newark Castle, Newark,
   │ : Nottinghamshire, England)(m. 29 Aug 1189 Marlborough, Wiltshire, England)
   │ : Nottinghamshire, England)(m. 29 Aug 1189 Marlborough, Wiltshire, England)
   │ + Hubert de Burgh (Abt 1170 - 1243 bur.Black Friars, Holborn, London, England)(m. Sep 1217)
   └─ Amice of Gloucester ( - 1 Jan 1225)
    Richard de Clare (Abt 1153 of Clare, Suffolk, England - Between 30 Oct 1217 and 28 Nov 1217)(m. Abt 1180)
       ├─ Maud de Clare ( - 1213)
       │ 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)
       │ :   │ + Alan fitz Roland ( - Abt 2 Feb 1234 bur.Dundrennan Abbey, Kircudbright, Scotland)
       │ :   │ (m. Between 1200 and 1205)
       │ :   │ (m. Between 1200 and 1205)
       │ :   └─ John de Lacy (Abt 1192 of Pontefract, Yorkshire, England -
       │ :    22 Jul 1240 bur.Stanlaw Abbey, Wirrall, Cheshire, England) =>
       │ :    22 Jul 1240 bur.Stanlaw Abbey, Wirrall, Cheshire, England) =>
       │ :    + Margaret de Quincy (Bef 1217 - Bef 30 Mar 1266 Hampstead, Middlesex, England)(m. Bef 21 Jun 1221)
       │ William de Briouze ( - 1210 Windsor, Berkshire, England)(m. Bef 1198)
       │    │ + Henry de Tracy (of Barnstaple, Devon, England - Bef 21 Aug 1274)(m. Bef May 1220)
       │    └─ John de Brewes (Abt 1197 of Gower, Swansea, Wales - Between 1231 and 1232) =>
       │     + Margaret ferch Llywelyn ( - 1265)(m. 1219)
       ├─ Hawise de Clare ( - Aft 1234)
       │ Geoffrey de Say (Abt 1180 of Edmonton, Middlesex, England - 19 Aug 1230 Poitou, Aquitaine, France)
       │ (m. Bef 1215)
       │ (m. Bef 1215)
       │    └─ William de Say (of Edmonton, Middlesex, England - Bef 12 Feb 1272) =>
       │     + Sibyl
       └─ 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)
           │ + Baldwin de Revières ( - 15 Feb 1245 bur.Breamore Priory, Hampshire, England)(m. 1226)
           ├─ Richard de Clare (4 Aug 1222 of Clare, Suffolk, England -
           │ Jul 1262 Ashenfield, Waltham, Kent, England) =>
           │ Jul 1262 Ashenfield, Waltham, Kent, England) =>
           │ + Margaret de Burgh ( - Nov 1237)
           │ : (m. Bef 29 Sep 1236 St. Edmundsbury Cathedral, Bury St. Edmunds, Suffolk, England)
           │ : (m. Bef 29 Sep 1236 St. Edmundsbury Cathedral, Bury St. Edmunds, Suffolk, England)
           │ + Maud de Lacy ( - Bef 10 Mar 1289)(m. Abt 25 Jan 1238)
            + Robert de Brus (Abt 1220 of Annandale, Dumfriesshire, Scotland -
            31 Mar 1295 Lochmaben Castle, Dumfriesshire, Scotland)(m. May 1240)
            31 Mar 1295 Lochmaben Castle, Dumfriesshire, Scotland)(m. May 1240)