Nielsen Hayden genealogy
Gruffudd ap Hywel ap Maredudd ab Einion

( = Descendancy chart to this point,
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- 1 Gruffudd ap Hywel ap Maredudd ab Einion [1] b. Abt 1270
Angharad ferch Tegwared y Baiswen ap Llywelyn ab Iorwerth Drwyndwn ab Owain Gwybnedd
- 2 Ieuan ap Gruffudd ap Hywel [1.1]
b. Abt 1300
Efa ferch Gruffudd ap Dafydd Goch ap Dafydd d. Aft 1351
- 3 Nest ferch Ieuan ap Gruffudd [1.1.1]
Dafydd Fychan ap Dafydd Llwyd ap Cynwrig
- 4 Margred ferch Dafydd Vychan [1.1.1.1]
Maredudd ap Tudur d. Aft 1406
- 5 Owen ap Maredudd ap Tudur [1.1.1.1.1]
b. Abt 1400 d. 4 Feb 1461
Catherine of Valois, Queen Consort of England b. 27 Oct 1401 d. 3 Jan 1437
- 6 Edmund Tudor [1.1.1.1.1.1]
b. Abt 1430 d. 3 Nov 1456
Margaret Beaufort b. 31 May 1443 d. 29 Jun 1509
- 7 Henry VII, King of England and lord of Ireland [1.1.1.1.1.1.1]
b. 28 Jan 1457 d. 21 Apr 1509
Elizabeth of York, Queen Consort of England b. 11 Feb 1466 d. 11 Feb 1503
- 8 Arthur, Prince of Wales [1.1.1.1.1.1.1.1]
b. 19 Sep 1486 d. 2 Apr 1502
- 8 Margaret Tudor [1.1.1.1.1.1.1.2]
b. 28 Nov 1489 d. 18 Oct 1541 [ =>]
- 8 Henry VIII, King of England [1.1.1.1.1.1.1.3]
b. 28 Jun 1491 d. 28 Jan 1547 [ =>]
- 8 Mary Tudor [1.1.1.1.1.1.1.4]
b. 18 Mar 1496 d. 24 Jun 1533 [ =>]
- 8 Arthur, Prince of Wales [1.1.1.1.1.1.1.1]
- 7 Henry VII, King of England and lord of Ireland [1.1.1.1.1.1.1]
- 6 Jasper Tudor [1.1.1.1.1.2]
b. Abt 1431 d. 21 Dec 1495
- + Katherine Woodville b. Abt 1458 d. 18 May 1497
- + Katherine Woodville b. Abt 1458 d. 18 May 1497
- 6 Edmund Tudor [1.1.1.1.1.1]
- 5 Owen ap Maredudd ap Tudur [1.1.1.1.1]
- 4 Margred ferch Dafydd Vychan [1.1.1.1]
- 3 Nest ferch Ieuan ap Gruffudd [1.1.1]
- 2 Ieuan ap Gruffudd ap Hywel [1.1]