Nielsen Hayden genealogy
Descendants of Elizabeth of Lancaster
Bef 1363 -Father: John of Gaunt (Mar 1340 Abbey of St. Bavo, Ghent, Flanders - 3 Feb 1399 Leicester Castle, Leicester, Leicestershire, England)
Mother: Blanche of Lancaster (25 Mar 1342 - 12 Sep 1368 bur.St. Paul's Cathedral, London, England)
Elizabeth of Lancaster (Bef 21 Feb 1363 - ??)
John Holand ( - 9 Jan 1400 Pleshey Castle, Essex, England)(m. 24 Jun 1386 Plymouth, Devon, England)
   └─ Constance Holand ( - 12 Nov 1437 bur.St. Katherine by the Tower, London, England)
    John Grey (of Ruthin, Denbighshire, Wales - 27 Aug 1429)(m. Bef 1410)
       └─ Edmund Grey (26 Oct 1416 - 22 May 1490)
        Katherine Percy (28 May 1423 Leconfield, Yorkshire, England - Between 2 May 1493 and 17 Oct 1493)
        (m. Bef 1440)
        (m. Bef 1440)
           ├─ George Grey ( - 21 Dec 1503 Ampthill, Bedfordshire, England)
           │ + Anne Woodville ( - 30 Jul 1489 bur.Warden Abbey, Bedfordshire, England)(m. Aft 1482)
            + John Grey (of Wilton, Herefordshire, England - 3 Apr 1499 bur.White Friars, London, England)