Nielsen Hayden genealogy
Descendants of Philippe of Clarence
1355 - Bef 1378 (< 22 years)Father: Lionel of Antwerp (29 Nov 1338 Antwerp, Brabant, Flanders - 17 Oct 1368 Alba, Piedmont, Italy)
Mother: Elizabeth de Burgh (6 Jul 1332 Carrickfergus Castle, Ireland - 10 Dec 1363 Dublin, Ireland)
Philippe of Clarence (16 Aug 1355 Eltham, Kent, 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)
(m. Abt May 1368 Reading, Berkshire, England)
   ├─ Elizabeth Mortimer (12 Feb 1371 Usk, Monmouthshire, Wales - 20 Apr 1417)
   │ Henry "Hotspur" Percy (20 May 1364 - 21 Jul 1403 Shrewsbury, Shropshire, England)(m. Bef 10 Dec 1379)
   │    ├─ Elizabeth Percy ( - 26 Oct 1436 bur.Staindrop, Durham, England)
   │    │ John Clifford (Abt 1389 - 13 Mar 1422 Mieux, France)(m. Between Aug 1403 and 5 Nov 1412)
   │    │    ├─ Mary Clifford ( - ?? bur.Friars Minor, Ipswich, Suffolk, England) =>
   │    │    │ + Philip Wentworth (Abt 1424 - 18 May 1464 Middleham, Yorkshire, England)
   │    │    └─ Thomas Clifford (25 Mar 1414 - 22 May 1455 St. Albans, Hertfordshire, England) =>
   │    │     + Joan Dacre (m. Aft Mar 1424)
   │    └─ Henry Percy (3 Feb 1393 - 22 May 1455 St. Albans Abbey, Hertfordshire, England)
   │     Eleanor Neville ( - Abt 1473)
   │        ├─ Henry Percy (25 Jul 1421 - 29 Mar 1461 near Towton, Yorkshire, England) =>
   │        │ + Eleanor Poynings ( - 11 Feb 1484)(m. Bef 25 Jun 1435)
   │        └─ Katherine Percy (28 May 1423 Leconfield, Yorkshire, England -
   │         Between 2 May 1493 and 17 Oct 1493) =>
   │         Between 2 May 1493 and 17 Oct 1493) =>
   │         + Edmund Grey (26 Oct 1416 - 22 May 1490)(m. Bef 1440)
   └─ Roger Mortimer (11 Apr 1374 Usk, Monmouthshire, Wales - 20 Jul 1398 Kells, Meath, Ireland)
    Eleanor Holland ( - Oct 1405)(m. Abt 7 Oct 1388)
       └─ Anne de Mortimer (27 Dec 1390 - Sep 1411 bur.Kings Langley, Hertfordshire, England)
        Richard of Conisburgh (Abt 1375 Conisburgh Castle, Yorkshire, England -
        5 Aug 1415 Southampton, Hampshire, England)(m. Bef 23 May 1408)
        5 Aug 1415 Southampton, Hampshire, England)(m. Bef 23 May 1408)
           │ + Henry Bourchier ( - 1483)
           └─ Richard of York (22 Sep 1411 - 30 Dec 1460 Wakefield, Yorkshire, England) =>
            + Cecily Neville (3 May 1415 - 31 May 1495 Berkhamsted Castle, Hertfordshire, England)
            (m. Bef 18 Oct 1424)
            (m. Bef 18 Oct 1424)