Nielsen Hayden genealogy
Descendants of John de Burgh
- 1313Father: Richard de Burgh (Abt 1259 - 29 Jul 1326 Monastery at Athassel-on-the-Suir, Tipperary, Ireland)
Mother: Margaret ( - 1304)
John de Burgh ( - 18 Jun 1313 Galway, Ireland)
Elizabeth de Clare (Nov 1295 Caerphilly, Glamorgan, Wales - 4 Nov 1360)(m. 30 Sep 1308 Waltham Abbey, Essex, England)
   └─ William de Burgh (17 Sep 1312 - 6 Jun 1333 Le Ford (now Belfast), Ireland)
    Maud of Lancaster ( - 5 May 1377)(m. Bef 16 Nov 1327)
       └─ Elizabeth de Burgh (6 Jul 1332 Carrickfergus Castle, Ireland - 10 Dec 1363 Dublin, Ireland)
        Lionel of Antwerp (29 Nov 1338 Antwerp, Brabant, Flanders - 17 Oct 1368 Alba, Piedmont, Italy)
        (m. 15 Aug 1342 Tower of London, London, England)
        (m. 15 Aug 1342 Tower of London, London, England)
           └─ Philippe of Clarence (16 Aug 1355 Eltham, Kent, England -
            Bef 8 Jan 1378 bur.Wigmore Abbey, Herefordshire, England) =>
            Bef 8 Jan 1378 bur.Wigmore Abbey, Herefordshire, England) =>
            + Edmund Mortimer (1 Feb 1352 Llangoed in Llyswen, Breconshire, Wales -
            27 Dec 1381 Dominican Friary, Cork, Ireland)(m. Abt May 1368 Reading, Berkshire, England)
            27 Dec 1381 Dominican Friary, Cork, Ireland)(m. Abt May 1368 Reading, Berkshire, England)