Nielsen Hayden genealogy
Nest ferch Madog
1. Nest ferch Madog (daughter of Madog ap Cadwgon ap Madog ap Cadwgon and Efa ferch Madog ap Philip ab Uchtrud). Family/Spouse: Einion ap Seisyll. Einion (son of Seisyll and Isabel ferch Bradwen) was born about 1170. [Group Sheet] [Family Chart]
Children:
2. Madog ap Cadwgon ap Madog ap Cadwgon was born about 1170 in of Nannau, Meirionnydd, Wales (son of Cadwgon ap Madog ap Cadwgon ap Bleddyn and Gwenllian ferch Owain Gwynedd). Madog married Efa ferch Madog ap Philip ab Uchtrud. [Group Sheet] [Family Chart]
3. Efa ferch Madog ap Philip ab Uchtrud Children:
Generation: 3
4. Cadwgon ap Madog ap Cadwgon ap Bleddyn (son of Madog ap Cadwgon ap Bleddyn ap Cynfyn and Jane ferch Cynwrig). Cadwgon married Gwenllian ferch Owain Gwynedd. [Group Sheet] [Family Chart]
5. Gwenllian ferch Owain Gwynedd (daughter of Owain Gwynedd, King of Gwynedd and (Unknown mistress of Owain Gwynedd)). Children:
- 2. Madog ap Cadwgon ap Madog ap Cadwgon was born about 1170 in of Nannau, Meirionnydd, Wales.
Generation: 4
8. Madog ap Cadwgon ap Bleddyn ap Cynfyn (son of Cadwgon ap Bleddyn ap Cynfyn and Gwenllian ferch Gruffudd). Madog married Jane ferch Cynwrig. [Group Sheet] [Family Chart]
9. Jane ferch Cynwrig Children:
10. Owain Gwynedd, King of Gwynedd (son of Gruffydd ap Cynan ab Iago, King of Gwynedd and Angharad ferch Owain); died in 1169; was buried in Bangor Cathedral, Bangor, Gwynedd, Wales. Owain married (Unknown mistress of Owain Gwynedd). [Group Sheet] [Family Chart]
11. (Unknown mistress of Owain Gwynedd) Children:
Generation: 5
16. Cadwgon ap Bleddyn ap Cynfyn (son of Bleddyn ap Cynfyn, King of Gwynedd & Powys and (Unknown fourth wife of Bleddyn ap Cynfyn)); died in 1111. Cadwgon married Gwenllian ferch Gruffudd. [Group Sheet] [Family Chart]
17. Gwenllian ferch Gruffudd (daughter of Gruffydd ap Cynan ab Iago, King of Gwynedd and (Unknown wife or mistress of Gruffudd ap Cynan)). Children:
20. Gruffydd ap Cynan ab Iago, King of Gwynedd was born about 1055 (son of Cynan ab Iago and Radnailt of Dublin); died in 1137. Gruffydd married Angharad ferch Owain about 1095. Angharad (daughter of Owain ab Edwin and (Unknown daughter of Ednywain Bendew)) died in 1162. [Group Sheet] [Family Chart]
21. Angharad ferch Owain (daughter of Owain ab Edwin and (Unknown daughter of Ednywain Bendew)); died in 1162. Children:
- 10. Owain Gwynedd, King of Gwynedd died in 1169; was buried in Bangor Cathedral, Bangor, Gwynedd, Wales.
- Susanna ferch Gruffydd ap Cynan
- Gwenllian ferch Gruffudd died in 1136.
- Cadwaladr ap Gruffudd ap Cynan, King in Wales died in 1172; was buried in Bangor Cathedral, Bangor, Gwynedd, Wales.
Generation: 6
32. Bleddyn ap Cynfyn, King of Gwynedd & Powys (son of Cynfyn ap Gwerystan and Angharad ferch Maredudd); died in 1075. Bleddyn married (Unknown fourth wife of Bleddyn ap Cynfyn). [Group Sheet] [Family Chart]
33. (Unknown fourth wife of Bleddyn ap Cynfyn) Children:
- 16. Cadwgon ap Bleddyn ap Cynfyn died in 1111.
34. Gruffydd ap Cynan ab Iago, King of Gwynedd was born about 1055 (son of Cynan ab Iago and Radnailt of Dublin); died in 1137. Gruffydd married (Unknown wife or mistress of Gruffudd ap Cynan). [Group Sheet] [Family Chart]
35. (Unknown wife or mistress of Gruffudd ap Cynan) Children:
40. Cynan ab Iago (son of Iago ab Idwal, King of Gwynedd). Cynan married Radnailt of Dublin. [Group Sheet] [Family Chart]
41. Radnailt of Dublin (daughter of Amlaíb mac Sitric and Máelcorcre ingen Dúnlaing). Children:
- 20. Gruffydd ap Cynan ab Iago, King of Gwynedd was born about 1055; died in 1137.
42. Owain ab Edwin (son of Edwin of Tegeingl and Iwerydd ferch Cynfyn); died in 1104. Owain married (Unknown daughter of Ednywain Bendew). [Group Sheet] [Family Chart]
43. (Unknown daughter of Ednywain Bendew) Children:
- 21. Angharad ferch Owain died in 1162.
- Aldud ab Owain ab Edwin
- Gronwy ab Owain ab Edwin was born about 1070.