Nielsen Hayden genealogy
Margred ferch Dafydd Vychan
1. Margred ferch Dafydd Vychan was born in of Trefeilir in Malltraeth, Anglesey, Wales (daughter of Dafydd Fychan ap Dafydd Llwyd ap Cynwrig and Nest ferch Ieuan ap Gruffudd). Family/Spouse: Maredudd ap Tudur. Maredudd (son of Tudur ap Gronwy and Margred ferch Thomas) died after 1406. [Group Sheet] [Family Chart]
Children:- Owen ap Maredudd ap Tudur was born about 1400; died on 4 Feb 1461 in Hereford, Herefordshire, England; was buried in Hereford, Herefordshire, England.
2. Dafydd Fychan ap Dafydd Llwyd ap Cynwrig was born in of Trefeilir in Malltraeth, Anglesey, Wales (son of Dafydd Llwyd and Angharad ferch Gynffydd ap Tydyr). Dafydd married Nest ferch Ieuan ap Gruffudd. Nest (daughter of Ieuan ap Gruffudd ap Hywel and Efa ferch Gruffudd ap Dafydd Goch ap Dafydd) was born in of Eifionydd, Caernarvonshire, Wales. [Group Sheet] [Family Chart]
3. Nest ferch Ieuan ap Gruffudd was born in of Eifionydd, Caernarvonshire, Wales (daughter of Ieuan ap Gruffudd ap Hywel and Efa ferch Gruffudd ap Dafydd Goch ap Dafydd). Children:
- 1. Margred ferch Dafydd Vychan was born in of Trefeilir in Malltraeth, Anglesey, Wales.
Generation: 3
4. Dafydd Llwyd was born in of Bwlch y fen, Anglesey, Wales (son of Cynwrig ap Gronwy ap Cynwrig ab Iorwerth and Alice ferch Robert Holland). Dafydd married Angharad ferch Gynffydd ap Tydyr. [Group Sheet] [Family Chart]
5. Angharad ferch Gynffydd ap Tydyr Children:
- 2. Dafydd Fychan ap Dafydd Llwyd ap Cynwrig was born in of Trefeilir in Malltraeth, Anglesey, Wales.
6. Ieuan ap Gruffudd ap Hywel was born about 1300 in of Eifionydd, Caernarvonshire, Wales (son of Gruffudd ap Hywel ap Maredudd ab Einion and Angharad ferch Tegwared y Baiswen ap Llywelyn ab Iorwerth Drwyndwn ab Owain Gwybnedd). Ieuan married Efa ferch Gruffudd ap Dafydd Goch ap Dafydd. Efa (daughter of Gruffudd ap Dafydd Goch ap Dafydd ap Gruffudd) died after 1351. [Group Sheet] [Family Chart]
7. Efa ferch Gruffudd ap Dafydd Goch ap Dafydd (daughter of Gruffudd ap Dafydd Goch ap Dafydd ap Gruffudd); died after 1351. Children:
- 3. Nest ferch Ieuan ap Gruffudd was born in of Eifionydd, Caernarvonshire, Wales.
Generation: 4
8. Cynwrig ap Gronwy ap Cynwrig ab Iorwerth (son of Gronwy ap Cynwrig ab Iorwerth ap Hwfa). Cynwrig married Alice ferch Robert Holland. [Group Sheet] [Family Chart]
9. Alice ferch Robert Holland (daughter of Robert ap Trystan Holland and Margred ferch Alan Norris). Children:
- 4. Dafydd Llwyd was born in of Bwlch y fen, Anglesey, Wales.
12. Gruffudd ap Hywel ap Maredudd ab Einion was born about 1270 (son of Hywel ap Maredudd ab Einion ap Caradog and Gwenllian ferch Gruffudd ab Ednyfed Fychan). Gruffudd married Angharad ferch Tegwared y Baiswen ap Llywelyn ab Iorwerth Drwyndwn ab Owain Gwybnedd. [Group Sheet] [Family Chart]
13. Angharad ferch Tegwared y Baiswen ap Llywelyn ab Iorwerth Drwyndwn ab Owain Gwybnedd (daughter of Tegwared y Baiswen ap Llywelyn ab Iorwerth Drwyndwn ab Owain Gwybnedd and Gwenllian ferch Ednyfed Fychan). Children:
- 6. Ieuan ap Gruffudd ap Hywel was born about 1300 in of Eifionydd, Caernarvonshire, Wales.
14. Gruffudd ap Dafydd Goch ap Dafydd ap Gruffudd (son of Dafydd Goch ap Dafydd ap Gruffudd ap Llywelyn); died after 1351. Children:
- 7. Efa ferch Gruffudd ap Dafydd Goch ap Dafydd died after 1351.
Generation: 5
16. Gronwy ap Cynwrig ab Iorwerth ap Hwfa (son of Cynwrig ab Iorwerth ap Hwfa ap Cynddelw). Children:
18. Robert ap Trystan Holland (son of Trystan Holland and Tangwystyl ferch Dafydd ap Gwrgeneu ap Trahaearn). Robert married Margred ferch Alan Norris. [Group Sheet] [Family Chart]
19. Margred ferch Alan Norris (daughter of Alan Norris). Children:
24. Hywel ap Maredudd ab Einion ap Caradog was born about 1230 (son of Maredudd ab Einion ap Caradog ap Gwgon). Hywel married Gwenllian ferch Gruffudd ab Ednyfed Fychan. [Group Sheet] [Family Chart]
25. Gwenllian ferch Gruffudd ab Ednyfed Fychan (daughter of Gruffudd ab Ednyfed Fychan ap Cynwrig ab Iorwerth and Margred ferch Einion ap Gwalchmai). Children:
- 12. Gruffudd ap Hywel ap Maredudd ab Einion was born about 1270.
26. Tegwared y Baiswen ap Llywelyn ab Iorwerth Drwyndwn ab Owain Gwybnedd was born about 1200 (son of Llywelyn Fawr ap Iorwerth and (One of the several mistresses of Llywelyn ap Iorwerth)). Tegwared married Gwenllian ferch Ednyfed Fychan. [Group Sheet] [Family Chart]
27. Gwenllian ferch Ednyfed Fychan (daughter of Ednyfed Fychan ap Cynwrig ab Iorwerth ap Gwgon and Gwenllian ferch Yr Arglwydd Rhys). Children:
28. Dafydd Goch ap Dafydd ap Gruffudd ap Llywelyn was born about 1270 (son of Dafydd III ap Gruffudd ap Llywelyn ab Iorwerth, Prince of North Wales and (Unknown mistress of Dafydd III)). Children:
- 14. Gruffudd ap Dafydd Goch ap Dafydd ap Gruffudd died after 1351.
Generation: 6
32. Cynwrig ab Iorwerth ap Hwfa ap Cynddelw (son of Iorwerth ap Hwfa ap Cynddelw and Gwenllian ferch Cynwrig ab Iorwerth ap Gwgon ab Idnerth ab Edryd). Children:
36. Trystan Holland Trystan married Tangwystyl ferch Dafydd ap Gwrgeneu ap Trahaearn. [Group Sheet] [Family Chart]
37. Tangwystyl ferch Dafydd ap Gwrgeneu ap Trahaearn (daughter of Dafydd ap Gwrgeneu ap Trahaearn ab Ithel). Children:
38. Alan Norris Children:
48. Maredudd ab Einion ap Caradog ap Gwgon was born about 1200 (son of Einion ap Caradog ap Gwgon ap Merwydd Goch). Children:
- 24. Hywel ap Maredudd ab Einion ap Caradog was born about 1230.
50. Gruffudd ab Ednyfed Fychan ap Cynwrig ab Iorwerth (son of Ednyfed Fychan ap Cynwrig ab Iorwerth ap Gwgon and Gwenllian ferch Yr Arglwydd Rhys); died in 1246. Gruffudd married Margred ferch Einion ap Gwalchmai. [Group Sheet] [Family Chart]
51. Margred ferch Einion ap Gwalchmai (daughter of Einion ap Gwalchmai ap Meilir and Gwenllian ferch Richard ap Cadwaladr ap Gruffudd ap Cynan). Children:
52. Llywelyn Fawr ap Iorwerth was born about 1173 (son of Iorwerth Drwyndwn ap Owain Gwynedd and Margred ferch Madog); died on 11 Apr 1240 in Aberconwy Abbey, Conwy, Wales; was buried in Aberconwy Abbey, Conwy, Wales. Llywelyn married (One of the several mistresses of Llywelyn ap Iorwerth). [Group Sheet] [Family Chart]
53. (One of the several mistresses of Llywelyn ap Iorwerth) Children:
- Margaret ferch Llywelyn died in 1265.
- Ellen died after Feb 1294.
- 26. Tegwared y Baiswen ap Llywelyn ab Iorwerth Drwyndwn ab Owain Gwybnedd was born about 1200.
54. Ednyfed Fychan ap Cynwrig ab Iorwerth ap Gwgon (son of Cynwrig ab Iorwerth ap Gwgon ab Idnerth ab Edryd ab Inethan ab Iasedd ap Carwed ap Marchudd ap Cynan and Angharad ferch Hwfa ap Cynwrig ap Rhiwallon ap Dingad ap Tudur Trefor); died in 1246. Ednyfed married Gwenllian ferch Yr Arglwydd Rhys. Gwenllian (daughter of Rhys ap Gruffydd, King of Deheubarth and Gwenllian ferch Madog) died in 1236. [Group Sheet] [Family Chart]
55. Gwenllian ferch Yr Arglwydd Rhys (daughter of Rhys ap Gruffydd, King of Deheubarth and Gwenllian ferch Madog); died in 1236. Children:
- Gronwy ab Ednyfed Fychan ap Cynwrig ab Iorwerth was born in of Trecasteil, Anglesey, Wales; died in 1268.
- 27. Gwenllian ferch Ednyfed Fychan
- Gruffudd ab Ednyfed Fychan ap Cynwrig ab Iorwerth died in 1246.
56. Dafydd III ap Gruffudd ap Llywelyn ab Iorwerth, Prince of North Wales (son of Grufudd ap Llywelyn ab Iorwerth Drwyndwn ab Owain Gwybnedd and Senena ferch Caradog); died on 3 Oct 1283 in Shrewsbury, Shropshire, England. Dafydd married (Unknown mistress of Dafydd III). [Group Sheet] [Family Chart]
57. (Unknown mistress of Dafydd III) Children:
- 28. Dafydd Goch ap Dafydd ap Gruffudd ap Llywelyn was born about 1270.