Nielsen Hayden genealogy
Descendants of Hawise de Lanvallay
- 1249Father: William de Lanvallay (of Walkern, Hertfordshire, England - Bef 3 Oct 1217 bur.St. John's Abbey, Colchester, Essex, England)
Mother: Maud Pecche ( - Bef 1233 bur.St. John's Abbey, Colchester, Essex, England)
Hawise de Lanvallay ( - 1249 bur.St. John's Abbey, Colchester, Essex, England)
John de Burgh (1210 of Burgh, Norfolk, England - Bef 7 Jan 1275)(m. Bef 1227)
   └─ John de Burgh (Abt 1235 of Walkern, Hertfordshire, England - Bef 3 Mar 1280)
    Cecily de Balliol ( - Bef 1273)
       ├─ Devorguille de Burgh (Between 1255 and 1266 - 1284 bur.Dunmow Priory, Little Dunmow, Essex, England)
       │ Robert Fitz Walter (1247 Henham, Essex, England - 18 Jan 1326)(m. 1259)
       │    └─ Christian de Burgh ( - Bef 6 Dec 1315 Holywell Priory, Shorewell, Middlesex, England) =>
       │     + William Marshal (Abt 24 Sep 1277 Denham, Suffolk, England -
       │     24 Jun 1314 Bannockburn, Stirlingshire, Scotland)
       │     24 Jun 1314 Bannockburn, Stirlingshire, Scotland)
       └─ Hawise de Burgh (Abt 1258 - Bef 24 Mar 1299)
        Robert de Grelle (Abt 1254 of Manchester, Lancashire, England - 15 Feb 1282)
            + John la Warre (Between 1276 and 1277 of Ewyas Harold, Herefordshire, England - 9 May 1347)
            (m. Aft 19 Nov 1294)
            (m. Aft 19 Nov 1294)