Nielsen Hayden genealogy
Ancestors of John Gamage
┌── William Gamage 
(of Coety, Glamorgan, Wales - 27 Sep 1419) =>
(of Coety, Glamorgan, Wales - 27 Sep 1419) => ┌── Thomas Gamage (Abt 1404 - ??)
(Abt 1404 - ??) │ └── Mary Rodeborough =>
=> │
┌── John Gamage
│ │
│ │ ┌── Gilbert Denys ( - 24 Mar 1422)
( - 24 Mar 1422) │ └── Joan Denys (Bef 1401 - ??)
(Bef 1401 - ??) │ └── Margaret Russell =>
=> │
┌── Morgan Gamage (of Coety, Glamorgan, Wales - ??)
(of Coety, Glamorgan, Wales - ??) │ │
│ │ ┌── Llywelyn ap Ieuan (of Radyr, Glamorgan, Wales - ??)
(of Radyr, Glamorgan, Wales - ??) │ │ ┌── Morgan of Radyr (of Radyr, Glamorgan, Wales - ??)
(of Radyr, Glamorgan, Wales - ??) │ │ │ └── (Unknown) ferch Ieuan
│ │ │
│ └── Margred ferch Morgan
│ │
│ │ ┌── Ieuan Gethin (of Baglan, Glamorgan, Wales - ??) =>
(of Baglan, Glamorgan, Wales - ??) => │ └── Efa ferch Ieuan Gethin
│ └── Elsbeth
│
┌── Thomas Gamage (of Coety, Glamorgan, Wales - Bef 26 Jun 1543)(m. Abt 1497)
(of Coety, Glamorgan, Wales - Bef 26 Jun 1543)(m. Abt 1497) │ │
│ │ ┌── Roger Vaughan (of Bredwardine, Herefordshire, England -
│ │ │ 25 Oct 1415 Agincourt, Pas-de-Calais, France)
(of Bredwardine, Herefordshire, England -│ │ │ 25 Oct 1415 Agincourt, Pas-de-Calais, France)
│ │ │ └── (Unknown) Devereux =>
=> │ │ │
│ │ ┌── Roger Vaughan (of Tretower, Breconshire, Wales - 1471 Chepstow, Monmouthshire, Wales)
(of Tretower, Breconshire, Wales - 1471 Chepstow, Monmouthshire, Wales) │ │ │ │
│ │ │ │ ┌── Dafydd Gam (Abt 1358 - 25 Oct 1415 Agincourt, Pas-de-Calais, France)
(Abt 1358 - 25 Oct 1415 Agincourt, Pas-de-Calais, France) │ │ │ └── Gwladus Gam ( - 1454 bur.Priory church, Abergavenny, Monmouthshire, Wales)
( - 1454 bur.Priory church, Abergavenny, Monmouthshire, Wales) │ │ │
│ └── Eleanor Vaughan
│ │
│ │ ┌── Philip Vaughan
│ │ ┌── Thomas ap Philip Vaughan (of Talgarth, Powys, Wales - ??)
(of Talgarth, Powys, Wales - ??) │ └── Denise ferch Thomas
│
│
│ ┌── John St. John (of Fonmon, Glamorgan, Wales - Aft 1421)(m. Aft 8 Feb 1395)
(of Fonmon, Glamorgan, Wales - Aft 1421)(m. Aft 8 Feb 1395) │ ┌── Oliver St. John (Abt 1398 of Fonmon, Glamorgan, Wales - 1437 Gloucestershire, England)
(Abt 1398 of Fonmon, Glamorgan, Wales - 1437 Gloucestershire, England) │ │ └── Isabel (Abt 1374 - Aft 1421)(m. Aft 8 Feb 1395)
(Abt 1374 - Aft 1421)(m. Aft 8 Feb 1395) │ │
│ ┌── John St. John (of Bletsoe, Bedfordshire, England - Between 1513 and 1514)
(of Bletsoe, Bedfordshire, England - Between 1513 and 1514) │ │ │
│ │ │ ┌── John Beauchamp (1 Aug 1384 of Bletsoe, Bedfordshire, England - 13 Apr 1412)
(1 Aug 1384 of Bletsoe, Bedfordshire, England - 13 Apr 1412) │ │ │ │ (m. Bef 1410) =>
│ │ └── Margaret Beauchamp (Abt 1410 - Bef 3 Jun 1482)
(Abt 1410 - Bef 3 Jun 1482) │ │ └── Edith Stourton ( - 13 Jun 1441)(m. Bef 1410) =>
( - 13 Jun 1441)(m. Bef 1410) => │ │
│ ┌── John St. John (of Bletsoe, Bedfordshire, England - Between 22 Mar 1525 and 23 May 1525)
(of Bletsoe, Bedfordshire, England - Between 22 Mar 1525 and 23 May 1525) │ │ │
│ │ │ ┌── Roger Bradschagh =>
=> │ │ │ ┌── Thomas Bradschagh (of Haigh, Lancashire, England - ??)
(of Haigh, Lancashire, England - ??) │ │ └── Alice Bradschagh
│ │
└── Margaret St. John (m. Abt 1497)
(m. Abt 1497) │
│ ┌── Morgan ap Jenkin ap Philip (of Langstone, Monmouthshire, Wales - ??)
(of Langstone, Monmouthshire, Wales - ??) │
│ ┌── Dafydd Matthew
└── Margred