Nielsen Hayden genealogy
Descendants of Hawise de Burgh
Abt 1258 - Bef 1299 (~ 41 years)Father: John de Burgh (Abt 1235 of Walkern, Hertfordshire, England - Bef 3 Mar 1280)
Mother: Cecily de Balliol ( - Bef 1273)
Hawise de Burgh (Abt 1258 - Bef 24 Mar 1299)
Robert de Grelle (Abt 1254 of Manchester, Lancashire, England - 15 Feb 1282)
   └─ Joan de Grelle ( - 20 Mar 1353)
    John la Warre (Between 1276 and 1277 of Ewyas Harold, Herefordshire, England - 9 May 1347)(m. Aft 19 Nov 1294)
       ├─ Katherine la Warre ( - 9 Aug 1361)
       │ Warin le Latimer (Abt 1304 of Braybrook, Northamptonshire, England - 13 Aug 1349)(m. Bef 1329)
       │     + Thomas Griffin (of Weston Favell, Northamptonshire, England - Aft 1399)
       └─ John la Warre (of Wickwar, Gloucestershire, England - Bef 24 Jun 1331)
        Margaret de Holand ( - 20 Aug 1349)(m. Bef 1326)
           └─ Roger la Warre (30 Nov 1326 of Ewyas Harold, Herefordshire, England -
            27 Aug 1370 Gascony, France) =>
            27 Aug 1370 Gascony, France) =>
            + Eleanor de Mowbray ( - Bef 10 Jun 1387)(m. Bef 23 Jul 1358)